Packages

Lightweight XML builder DSL without Nokogiri dependency

Text wrapping with word-boundary awareness, indentation, and ANSI escape code support

HMAC-SHA256 webhook signing and verification with replay prevention

Webhook delivery client with HMAC signing, retry, and tracking

Version string parsing with comparison, sorting, and constraint matching

URL manipulation with query parameter management and normalization

Hash with per-key type declarations, coercion, validation, nested schemas, and JSON serialization

Concise error handling with fallbacks, chained recovery, and timeout wrapping

Smart string truncation with word boundaries, HTML safety, and multi-byte support

Generic tree data structure with traversal, search, and serialization

TOML v1.0 parser and serializer for Ruby with comment preservation, schema validation, merging, querying, type coercion, and diffing

Thread-safe token bucket rate limiter with configurable capacity, refill rate, and refill strategy

Safe timeout patterns without Thread.raise

Relative time formatting for past and future timestamps

Lightweight test data factory DSL with sequences and traits

Logic-less Mustache-style template engine with safe rendering

Shell command runner with output capture, timeout, streaming, signal handling, and stdin piping

In-process async job queue with concurrency control

Pure-Ruby tar archive creation, extraction, and gzip compression with filtering, symlink support, and progress callbacks

Terminal table formatting with Unicode borders, alignment, and multiple styles

Structured JSON logger with context and child loggers

Enhanced struct builder with typed fields, defaults, validation, and pattern matching

Comprehensive string utilities without ActiveSupport dependency

Precision stopwatch with lap timing, pause/resume, and formatted output

Lightweight state machine DSL with transitions, guards, callbacks, history tracking, auto-transitions, parallel states, statistics, and graph export

Thread-local state bag for implicit context propagation

URL-friendly slug generator with Unicode transliteration and collision-aware uniqueness

Cryptographic signing and verification for JSON payloads

SemVer 2.0.0 parsing, comparison, range matching, and bump operations

Counting semaphore for concurrent access control with timeouts

Lightweight schema validation for hashes with type coercion

Lightweight in-process task scheduler with cron and interval support for Ruby

HTML sanitizer with configurable allow lists, security profiles, and URL/CSS sanitization for safe user content rendering

Safe YAML loading with restricted types, schema validation, and size limits

Sandboxed expression evaluator with whitelisted operations

Lightweight rule engine with declarative conditions and actions

Fixed-size circular buffer with overflow, statistics, and enumeration

Batch processor with per-item retry, backoff, and dead letter collection

Retry with exponential backoff, jitter, and circuit breaker

Result type with Ok/Err, map, flat_map, and pattern matching

Pre-built regex patterns for emails, URLs, IPs, dates, and more

Time-windowed rate tracker with configurable resolution

In-memory rate limiter with sliding window and token bucket

Sliding-window rate counter for measuring event throughput in real-time

Lightweight random test data generator for names, emails, addresses, and common types

Thread-safe Queue and Stack with capacity limits and blocking operations

Terminal progress bars and spinners with ETA calculation and throughput display

Binary heap priority queue with min/max modes, custom comparators, and priority updates

Generic thread-safe object pool with idle timeout and health checks

Standalone English pluralization, singularization, and string inflection

Functional pipeline composition with conditional steps and error handling for Ruby

Lightweight phone number parsing, validation, formatting, and metadata lookup for 36 countries

Pathname extensions for atomic write, safe delete, and common file operations

Password strength checking, policy validation, pattern detection, hashing, and secure generation

Parallel iteration with configurable thread pool and ordered results

Framework-agnostic pagination with cursor, offset, and keyset strategies

Human-friendly natural sorting — "file2" before "file10"

Multipart/form-data builder and parser with MIME type detection and streaming support

Immutable money value object with integer subunit storage and multi-currency formatting

MIME type detection from file extensions and magic bytes with 200+ mappings

Generic middleware stack for composing processing pipelines with conditional execution, hooks, error handling, profiling, and stack composition

Unit conversion for length, weight, temperature, volume, speed, pressure, energy, and data measurements

In-process application metrics with counters, gauges, histograms, and summaries

Practical memoization with TTL, LRU eviction, and thread-safety

Optional/Maybe monad with safe chaining and pattern matching

Statistics, regression, interpolation, rounding modes, and moving averages for Ruby

Data masking library with auto-detect PII redaction for strings and nested structures

Thread-safe LRU cache with TTL, eviction callbacks, and hit/miss statistics

Pattern-based log filtering with drop, replace, and preset rules

File-based and PID locking for process coordination with TTL expiration, stale detection, read-write locks, and lock owner identification

BCP 47 locale parsing, matching, and content negotiation

Opinionated JWT toolkit for Ruby — secure by default, with support for encoding, validation, refresh tokens, revocation, and key rotation

JSON Schema validator supporting common draft-07 keywords with schema composition, conditional validation, and compiled schemas

JSONPath expression evaluator with dot notation, wildcards, slices, filters, and recursive descent

JSON Merge Patch (RFC 7396) and JSON Patch (RFC 6902) for Ruby

Framework-agnostic background job instrumentation and metrics

Enhanced IP address library with CIDR, classification, and range operations

Interval data type with open/closed boundaries, arithmetic, merging, and gap finding

INI file parser and writer with section support and type coercion

Rails-compatible string inflections without ActiveSupport dependency

Image dimension detection from file headers without full decode

Multi-format unique ID generator with ULID, nanoid, UUID v7, CUID2, prefixed, snowflake, hashid, and encoding support

Bidirectional byte size formatting with SI and binary units

Lightweight HTTP request stubbing for tests

Lightweight HTTP client wrapper with retries and interceptors

Programmatic HTML builder with tag DSL, auto-escaping, form helpers, components, and output formatting

Hex encoding, decoding, and dump formatting for binary data

HTTP header parsing, construction, and content negotiation

Consistent hashing for distributed key distribution

Gzip compression and decompression with streaming support

Expressive guard clause DSL for method precondition validation

Directed and undirected graph data structure with traversal, shortest path, MST, max flow, coloring, and serialization

Geographic coordinate operations with Haversine/Vincenty distance, geohash, rhumb lines, and bounding box

Fuzzy string matching with Levenshtein, Damerau-Levenshtein, Jaro-Winkler, Hamming, LCS, token-based, and phonetic algorithms

File system change detection with polling and callbacks

Minimal feature flag system with YAML, ENV, and in-memory backends

Thread-safe hash with per-key TTL and automatic expiration

In-memory event store with streams, projections, subscriptions, snapshots, and replay

Type-safe event emitter with sync and async listeners

ETag generation and conditional request helpers with Rack middleware

Schema-based environment variable validation with typed accessors

Multi-source environment variable loader with precedence and validation

Compare environment variables across environments and report differences

Type-safe enumerations with ordinals, custom values, and pattern matching

Character encoding detection, conversion, and normalization

RFC-compliant email validation with MX record verification, disposable domain detection, normalization, and typo suggestions

Immutable Duration value object with parsing, arithmetic, and formatting

Dot-notation accessor for nested hashes with nil-safe traversal

Deep structural diff for hashes, arrays, and nested objects

Dependency resolver with topological sort and parallel batch scheduling

Recursive deep freeze and deep dup with circular reference detection and key exclusion

Debounce and throttle decorators for Ruby method calls

Date utilities for business days, relative expressions, and period calculations

Data transformation DSL for mapping hashes and CSV rows

Streaming CSV processor with type coercion and validation

Declarative CSV builder with column mapping and streaming output

High-level encryption with AES-256-GCM, key derivation, and secure random

Cron expression parser for calculating next and previous occurrences

Cron expression parser and scheduler

Frequency counter with most-common, merge, and percentage operations

CORS middleware with origin validation and preflight handling

Configuration schema validator with type checking and helpful error messages

Layered configuration with YAML, ENV, and defaults

Compact UUID encoding in Base58 and Base62 for shorter, URL-safe identifiers

Color format conversion with parsing, manipulation, harmony generation, color blindness simulation, and CSS named colors

Terminal ANSI color and styling with auto-detection

All-in-one CLI toolkit with argument parsing, prompts, and spinners

Health check framework with dependency aggregation and Rack endpoint

Minimal circuit breaker with configurable thresholds, error filtering, and exponential backoff

Simple file and string checksums with HMAC support and streaming for large files

Parser for Keep a Changelog format with querying and write-back

In-memory LRU cache with TTL, tags, and thread safety

Space-efficient probabilistic set with configurable false positive rate

Named bit flags with symbolic access, set operations, and serialization

Batch processing toolkit with chunking, progress, and error collection

URL-safe Base64 encoding with optional padding and JSON helpers

Multi-format base encoding with Base32, Base36, Base58, Base62, and Base85 support

Generic audit trail for tracking changes with who, what, and when

Standalone runtime assertion library with chainable matchers

Epsilon-based approximate equality for floats, arrays, and hashes

Auto-generate default values, empty form states, and mock data from Zod schemas

TypeScript SDK + signature verifier for the Webhook Relay API

Web Vitals calculation utilities and client error capture

Framework-agnostic typed URL routing with path parameter extraction

Collision-resistant, time-sortable, compact unique IDs in base62

Runtime type checking utilities with TypeScript type guards — typeof on steroids

Map with automatic entry expiration — TTL per key

Configurable throttle with leading/trailing edge control and AbortSignal support

Lightweight string template engine with safe interpolation, conditionals, and loops

Task orchestration with dependency resolution and topological execution

Typed finite state machine with transition guards, effects, and subscriptions

Sorted array with binary search — maintains order on insert

Validate and sanitize regular expressions to prevent ReDoS attacks

Retry queue with exponential backoff for resilient async processing

Rust-inspired Result type for type-safe error handling without try/catch

Convert milliseconds to human-readable strings and back

Typed functional pipe and compose for TypeScript

Type-safe shallow and deep pick/omit utilities for JavaScript objects

Natural string sorting — file2 before file10, not after

Memoization with WeakMap support for object keys, LRU eviction, and TTL

Structured JSON logger with child loggers, redaction, and pretty dev output

Type-safe localStorage wrapper with JSON serialization, TTL, and key prefixing

Typed HTTP error classes with status codes, factory methods, and serialization

Runtime type guard utilities with TypeScript narrowing

Glob pattern matching — minimatch alternative for runtime use

Human-readable file size formatting and parsing — bytes to KB, MB, GB and back

Rich enums with methods labels and serialization

Generic async resource pool with acquire/release, validation, and auto-scaling

Generate comprehensive development documentation for Node.js/TypeScript projects

Fast deep equality comparison for JavaScript values with TypeScript type guards

Debounced async functions that return the latest promise result

Parse and stringify CSS color values — hex, rgb, hsl, and named colors

Circuit breaker pattern for fault-tolerant async service calls

String case conversion — camel, snake, kebab, pascal, title, and deep object key conversion

Type-safe bitwise flag operations for permissions, features, and options

Generate SVG badges with multiple styles, colors, and optional logos

Reactive state container in under 1KB — framework agnostic

Precise timing utilities — measure, benchmark, countdown

In-process async job queue with concurrency control, priorities, and retries

String manipulation utilities — truncate, pad, wrap, template

Lightweight semver parsing, comparison, and range matching

Compare JSON schemas and detect breaking changes

Reliable timeout wrapper for async operations with AbortController support

Safe parsing for primitives — numbers, booleans, dates, JSON from unknown strings

Safe JSON parsing and serialization with circular detection and depth limiting

Async retry with exponential backoff, circuit breaker, and abort signals

Fetch wrapper with retries, timeout, and interceptors — zero abstraction leak

Chainable Result monad for error handling without exceptions

Lightweight React UI primitives - Button, Alert, and more

Accessible React UI component library with Tailwind CSS

Dark/light/system theme provider for React with localStorage persistence and system preference detection

Framer Motion animation primitives for React - scroll reveal, page transitions, animated counters, and more

Reusable React hooks - scroll lock, focus trap, swipe gestures, debounce, keyboard shortcuts, image preloading, and more

Lightweight form management hook with Zod validation, debounced field validation, and common validators

In-memory rate limiting for Node.js API routes with configurable windows and presets

Type-safe URL query string parsing and building

Concurrent promise execution with configurable pool size

Composable predicate builders for filtering and validation

URL path pattern matching and parameter extraction

Next.js SEO utilities: metadata generators, JSON-LD schemas, and Open Graph helpers

Layout primitives for Next.js and React apps - Page wrapper and Card component

Next.js Image wrappers with skeleton loading, blur-up placeholders, and error fallback

Release-based SSH deployment for Next.js apps with symlinks, dependency caching, and PM2 management

Next.js API route middleware: compose, validation, CSRF protection, and security headers

Precise money and currency arithmetic

Framework-agnostic middleware composition engine

Lightweight schema validation library with Zod-like API in under 3KB

Advanced memoization with TTL, LRU, and WeakMap support

Pattern matching for TypeScript — switch on steroids

Data masking and redaction for logs and APIs

Decode and inspect JWTs — no verification, typed payload, tiny

Tiny runtime assertion with TypeScript narrowing

Flexible ID generation with UUID, ULID, nanoid, and prefixed IDs

Typed HTTP status codes, reason phrases, and classification

Type-safe fetch wrapper with interceptors, retries, and base URL support

Production readiness health check builder with typed check results

Simple cross-platform hashing utilities

Reusable Framer Motion animation presets, variants, and transitions

Simple in-memory feature flag system with percentage rollouts and targeting

Tiny, fully type-safe event emitter for Node, browser, and edge runtimes

Schema-based environment variable validation with type-safe accessors

Interpolate variables within environment values

Parse, format, and manipulate time durations

Type-safe dot-notation access and mutation for nested objects

Object and array diffing with typed patches

Type-safe deep merging of objects

Typed debounce and throttle with cancel, flush, and pending state

Date range operations — overlap, gap, iterate, merge

Collision-resistant sortable unique IDs

Cron job scheduler with overlap prevention, timezones, and job management

Pure utility functions - formatting, pagination, slugs, class merging, and more

Parse, serialize, and manage HTTP cookies with full typing

Layered configuration loader with typed output and multiple sources

Lightweight color parsing, conversion, and manipulation

Cloudinary image URL builder, srcset generation, and blur placeholders

In-memory LRU cache with TTL, stale-while-revalidate, and tag invalidation

Parse and format byte sizes for humans

Priority queue for async tasks with concurrency control

Automatic batching and deduplication for async operations

Standardized typed HTTP error classes for APIs

AbortController utilities — timeout, race, linked signals

HMAC-based webhook signature generation and verification with timing-safe comparison

Python SDK + HMAC verifier for the Webhook Relay API

Lightweight web scraper with rate limiting and CSS selectors.

Remove tracking parameters from URLs

Parse strings into Python types intelligently — booleans, numbers, dates, None, lists

Runtime type checking decorators for function arguments

Measure execution time of any function

Convert timestamps to relative time phrases like '3 hours ago'

Render data as clean ASCII/Unicode tables in the terminal with zero configuration

Generate realistic fake data for testing without external dependencies

Temporarily set, override, or remove environment variables with a context manager

Named timers for measuring multiple operations within a function or script

Cron-like task scheduler with overlap prevention and interval support.

Lightweight task dependency engine with topological execution

Structured JSON logging with automatic context propagation.

Truncate strings intelligently without cutting words

Convert strings between camelCase, snake_case, PascalCase, kebab-case, and more.

Lightweight finite state machine with guards, callbacks, and visualization.

Turn Python stack traces into cleaner, more readable output

Pretty-print and format SQL queries for debugging

URL slug generation with transliteration and uniqueness.

Thread-safe singleton and multiton pattern decorators.

System metrics collector for CPU, memory, disk, and network

Parse, compare, bump, and validate semantic version strings

Automatically detect and mask secrets in strings and dicts.

Infer JSON schemas from sample data

Safely access nested dictionary keys without exceptions

JSON encoder that handles datetime, Decimal, UUID, dataclasses, and sets without crashing.

Run multiple functions in parallel and collect results with the simplest possible API

Async retry with exponential backoff, circuit breaker, and cancellation for Python

Rust-inspired Result type for Python with pattern matching and type-safe error handling

Detect unused packages in requirements.txt by scanning imports

Pre-built, tested regex patterns for common data formats.

In-memory rate limiter with sliding window, token bucket, and leaky bucket algorithms.

Generate random readable strings for various purposes.

Type-safe prompt template builder for LLM APIs.

Parallel map with a built-in terminal progress bar

Check if a port is open on a host

Cursor and offset pagination utilities for any data source.

Ensure a function runs only once, regardless of how many times it's called.

LAN device discovery and TCP port scanning.

Simplified MQTT pub/sub wrapper with auto-reconnect

Precise monetary calculations using integer cents with currency support and formatting.

Automatically mask sensitive values (API keys, passwords, tokens) in logs and print output

Structured log filtering and highlighting for terminals

Prevent duplicate script execution using file-based locking

Split iterables into evenly sized chunks.

Minimal JWT creation and validation with HMAC and RSA signing.

Drop-in structured JSON logging for Python using the stdlib logging module

Readable JSON comparison with colorized terminal output.

Show how long each Python import takes during startup

Convert byte counts to human-readable strings and back, with formatting options

Resilient HTTP client with automatic retries and backoff.

Health check endpoint builder for web applications.

Simplified hashing helpers for strings, files, and checksums

Git repository statistics and commit analysis

Add a timeout to any function call, sync or async.

Flatten nested JSON/dicts into dot-notation keys and unflatten back

Convert bytes to human-readable file sizes and back.

Filesystem event watcher with decorator-based callbacks

Rule-based file sorting engine with pattern matching and dry run support

Simple feature flags with percentage rollout and user targeting.

Type-safe event emitter with sync and async listener support.

Schema-based environment variable validation with type coercion and helpful error messages.

.env file parser with interpolation and multi-file support

Practical utilities for Python enums — lookup, validation, listing, and serialization

In-memory vector store with multi-metric similarity search.

Email validation with syntax checking and normalization.

Parse and format human-readable duration strings like \

Content-hash duplicate file detection with two-pass efficiency

Access and mutate deeply nested dicts using dot-notation paths

Type-safe environment variable loading with casting and defaults.

Automatically generate CLI interfaces from function signatures and docstrings

Filesystem state snapshots with diff comparison

Show character-level differences between two strings with colored terminal output.

Deep merge dictionaries safely with conflict resolution.

Lightweight dependency injection container for Python.

Decorator and utilities for deprecating functions, parameters, and classes with zero boilerplate

Debounce and throttle decorators for Python functions.

Common datetime operations missing from the standard library.

Composable data transformation pipeline with lazy evaluation.

Lightweight test data generation with realistic fake values.

Enhanced CSV reader and writer with automatic type inference.

Layered configuration loader merging env vars, files, and defaults.

Compare configuration files across environments

Convert between color formats: hex, RGB, HSL, HSV, CMYK, and named CSS colors

Cross-platform clipboard copy and paste in one function call.

Format Python data as aligned terminal tables with no dependencies

Dead-simple terminal spinners and progress indicators for CLI scripts

Decorator-based CLI framework with rich output

Circuit breaker pattern for fault-tolerant service calls.

Git-based changelog generator from conventional commits

Lightweight in-memory cache with TTL, LRU eviction, and tag-based invalidation.

Batch processing with progress tracking and error handling.

Convert numbers between any base (2-62) with human-friendly APIs.

Drop-in ASGI/WSGI middleware for endpoint timing with Server-Timing headers.

Terminal text styling with zero dependencies and TTY detection.

HMAC webhook signing and verification with replay prevention — supports SHA-256, SHA-384, and SHA-512.

Strongly-typed value objects with built-in validation and JSON support — eliminate primitive obsession.

Remove tracking parameters from URLs — strip UTM tags, fbclid, gclid, and more.

Fluent, immutable URL construction with path segments, query parameters, and proper encoding.

Type-safe unit conversions for length, weight, temperature, volume, data size, speed, pressure, area, and energy.

Generic tree data structure with traversal, serialization, subtree mutation, lowest common ancestor, and flat-to-tree conversion.

Convert timestamps into human-readable relative phrases like "3 hours ago" or "in 2 days".

Line-by-line text diff using Myers' algorithm with unified diff output and structured DiffResult objects.

Safe temporary file and directory management with automatic cleanup via IDisposable and IAsyncDisposable.

Lightweight task runner with dependency graph resolution and parallel execution.

Named placeholder string interpolation from objects and dictionaries with formatting and defaults.

String similarity and phonetic matching with Levenshtein, Jaro-Winkler, Dice, Soundex, and fuzzy search.

Lightweight finite state machine with fluent configuration, guard conditions, and async transition support.

Specification pattern implementation for composable, reusable query filters.

Truncate strings at word boundaries — no cut words, no ugly mid-word breaks.

Convert text to clean, URL-safe slugs with Unicode diacritic handling, separator collapsing, and max length enforcement.

Semantic versioning parser, comparator, and range matcher — fully compliant with the semver 2.0 spec.

Lightweight in-process job scheduler with cron expressions, timezone support, execution history, and lifecycle callbacks.

Resilient JSON parsing with fallback defaults and path-based value extraction that never throws.

Configurable retry logic and circuit breaker for .NET — exponential backoff, jitter, and built-in presets.

Lightweight Result type for .NET — model success and failure without exceptions using pattern matching.

Fluent, readable regex construction — build patterns programmatically and compile to standard Regex objects.

In-memory rate limiting with fixed window, sliding window, and token bucket algorithms.

Generate human-readable random strings like `"swift-river-42"` — great for slugs, identifiers, and placeholders.

Poll any async operation until a condition is met with configurable intervals, timeouts, and backoff strategies.

Singularize and pluralize English words with irregular forms, uncountable words, count-aware formatting, and ordinal number conversion.

Middleware pipeline builder for any operation — like ASP.NET Core middleware but for business logic.

International phone number validation and formatting based on ITU-T E.164 with country detection.

Password strength evaluation with entropy calculation, common password detection, and pattern analysis.

Standardized pagination primitives — PagedResult, cursor-based pagination, and IQueryable extensions.

Transactional outbox pattern implementation for reliable event/message publishing.

Option/Maybe monad for explicit null handling with Map, Bind, Match, and LINQ support.

Compare two objects and return a list of property-level changes.

Reversible integer/long ID obfuscation for URL-safe, non-sequential public IDs.

Immutable Money value type with integer arithmetic, ISO 4217 currencies, and proportional allocation.

Detect MIME types from file signatures (magic bytes) and file extensions — covers 200+ common file types.

Mask and redact sensitive data in strings and objects for safe logging.

Ultra-simple object-to-object mapper with convention-based mapping and fluent overrides.

Validate JSON documents against JSON Schema with structured error paths using System.Text.Json.

RFC 6902 JSON Patch operations for System.Text.Json — apply, generate, and parse patch documents.

Deep merge JSON documents with configurable array strategies and null handling using System.Text.Json.

Parse and match IP addresses against CIDR ranges with IPv4 and IPv6 support.

Sortable, URL-safe unique ID generators — ULID, NanoID, and prefixed IDs.

DelegatingHandler that logs and times every outgoing HttpClient request.

Whitelist-based HTML sanitizer for XSS prevention with configurable allowed tags, attributes, and URL schemes.

Composable health checks for ASP.NET Core with built-in URL, TCP, DNS, certificate, disk, and memory checks.

Password hashing with PBKDF2-SHA256/SHA512, secure password generation, HMAC, checksums, and consistent hashing.

Match file paths against glob patterns — supports *, **, ?, character classes, brace expansion, and negation.

Calculate distances between coordinates, find points within radius, and compute bounding boxes.

Fluent parameter validation and guard clauses for .NET.

Flatten nested JSON objects into dot-notation key-value pairs, and unflatten them back.

Snapshot directories and detect added, removed, or modified files between runs using SHA-256 hashing.

Convert byte counts into human-readable file size strings and parse them back to bytes.

Lightweight feature flags with percentage rollout, user targeting, time-based scheduling, and analytics — no external service required.

Safe mathematical expression parser and evaluator with variables, custom functions, and operator precedence.

Measure execution time of code blocks with structured results, nested scopes, and ILogger integration.

In-process publish/subscribe event bus with middleware pipeline, dead-letter queue, event replay, and Microsoft DI integration.

Declarative environment variable validation for .NET — attribute-based binding with type coercion.

Enum utilities — parse with fallback, get display names and descriptions, convert to dictionaries, and list values.

AES-256-GCM encryption with key generation, sealed envelopes, PBKDF2 key derivation, streaming, and key rotation.

Fluent access to embedded resources with string, stream, byte array, and JSON deserialization support.

RFC 5321/5322 compliant email validation with typo suggestions, disposable email detection, and bulk validation.

Composite disposable container that disposes multiple IDisposable/IAsyncDisposable objects in reverse order.

Fast deep cloning using compiled expression trees for nested objects, collections, and circular references.

Debounce and throttle functions for .NET with configurable delay, leading/trailing edge, and async support.

Immutable date/time range type with overlap detection, intersection, union, gap finding, and splitting.

Lightweight test data generator with locale support, structured builders, and UUID generation.

Lightweight CSV reader and writer with header mapping, type conversion, and streaming support.

Parse, validate, and evaluate cron expressions with next/previous occurrence calculation, shortcut aliases, fluent builder, human-readable descriptions, timezone-aware scheduling, exclusion calendars, and Nth weekday support.

Validate credit card numbers with Luhn check, detect card brand, and mask for display.

Validate appsettings.json configuration sections at startup with attribute-based rules.

Structured diff for JSON configuration files — detect added, removed, changed, and unchanged keys.

Convert between RGB, HSL, HSV, Hex, and CMYK color models with harmonies, contrast ratio, blending, and gradient generation.

Abstraction over DateTime/DateTimeOffset for testable time-dependent code with a fake clock for testing.

Standalone circuit breaker with sliding window failure rate, fallback support, half-open probing, and event callbacks.

Split any IEnumerable into fixed-size chunks with a simple static method or LINQ-style extension.

Track and diff property changes on objects over time for audit logging.

Thread-safe in-memory cache for .NET — LRU/LFU eviction, TTL expiration, tag-based invalidation, cache warming, and configurable max size.

Process large collections in configurable batches with progress reporting, error handling, async execution, streaming IAsyncEnumerable support, checkpoint/resume, and adaptive batch sizing.

Base32, Base62, and Base64URL encoding and decoding — URL-safe, padding-free alternatives to standard Base64.

Simple in-memory background job queue for ASP.NET Core with concurrency control.

Async-aware synchronization primitives — AsyncLock, AsyncSemaphore, and AsyncOnce for safe mutual exclusion.

Middleware for consistent, structured JSON API error responses.

Minimal, framework-agnostic HMAC-SHA256 webhook signature generation and verification with replay attack prevention

Atomic file writes with temp-file swap and file locking

PHP SDK + HMAC verifier for the Webhook Relay API

UUID v4 and v7 generation, validation, and ordered UUIDs for database indexing

PSR-3 compatible logger that outputs structured JSON log lines

Precise code execution timer with lap tracking and memory measurement

Declarative state machine with guards, hooks, and transition history

Fluent data schema validator with nested objects, arrays, and dot-notation errors

Safe JSON parsing with exceptions, schema validation, and typed getters

Lightweight business rule engine with declarative conditions and actions

Composable retry utility with exponential backoff, jitter, and exception filtering

Composable pipeline pattern for processing data through ordered stages

Password strength validation with entropy calculation and common password detection

Immutable Money value object with currency support, formatting, arithmetic, and Laravel Eloquent cast

Mask sensitive data in strings, arrays, and objects for safe logging

CLI diagnostic tool that checks PHP extensions, permissions, and configuration

Convert seconds into human-readable duration strings

Geospatial utilities for distance, bounding box, and point-in-polygon calculations

Lightweight exception reporting to log channels and webhooks

Utility trait and helpers for PHP 8.1+ native enums

Map arrays and JSON to strongly-typed DTOs with attribute-driven configuration

Diff strings, arrays, and objects with unified, HTML, and structured output

Memory-efficient CSV reader and writer with header mapping and type casting

Secure-by-default encryption with AES-256-GCM and key rotation

Load configuration from JSON and PHP files with environment variable substitution

Color parsing, conversion, manipulation, and WCAG contrast checking

Circuit breaker pattern with configurable thresholds and multiple storage backends

Lightweight background job queue with file-based driver

SQL-like fluent query builder for filtering, sorting, and transforming arrays

Standardized API response builder for consistent JSON APIs

Automatic slug generation for Eloquent models with scoped uniqueness, history, and transliteration

Type-safe, cached application settings stored in the database with a simple key-value API

Fluent SEO metadata service for Laravel with Open Graph, Twitter Card, and JSON-LD structured data support

Laravel middleware for comprehensive security headers including CSP with nonce support, HSTS, and Permissions-Policy

Parse GitHub-style search queries into structured filters for Laravel Eloquent. Supports field:value, comparisons, exclusions, and relation filters.

Response macros for consistent, standardized API responses in Laravel

Advanced rate limiting with sliding window, token bucket, and per-entity controls for Laravel

Typed Result pattern for Laravel service-layer operations with named factory methods and specialized result types

Track and display structured differences between Eloquent model versions with human-readable labels

Artisan generator commands for services, DTOs, enums, actions, value objects, and interfaces

Configurable health check endpoint with built-in checks and Kubernetes probe support

Lightweight feature flags with config and database drivers, percentage rollout, and scheduling

Registry-based data export system for Laravel with pluggable format support. Ships with CSV and JSON exporters

Database-agnostic SQL expression helper for date truncation, extraction, and differences across SQLite and MySQL

Chunked CSV import with row-level validation, error collection, dry-run mode, and queue support

Laravel middleware that generates or propagates correlation IDs for request tracing with automatic log context injection

Standardized cache key builder and tag-aware cache operations for Laravel with graceful fallback for non-tagging drivers

Laravel middleware for API versioning with multi-source resolution from headers, Accept vendor types, and URL path segments

HTTP client wrapper with automatic retries, exponential backoff, and jitter

Validate required environment variables with type checking and defaults

Fluent cron expression builder with human-readable methods

HMAC-SHA256 webhook signing and verification for Rust

Strongly-typed HTTP header parsing and construction for common headers

Lightweight string template engine with variables, conditionals, and loops

In-process thread-based task queue with priority and concurrency control

Terminal table rendering with alignment, borders, Unicode support, and ANSI color awareness

String manipulation utilities — truncation, case conversion, padding, and whitespace operations

Unicode-aware slug generation for URL-safe strings

Service health checker with liveness and readiness probes for Rust

Semantic versioning with range parsing, comparison, and bumping

Secure in-memory secret storage with automatic zeroization, expiry, and redacted display

Graceful shutdown coordination with timeout support for Rust

Async retry with exponential backoff and circuit breaker for Rust

Extension traits for Result and Option with tap, map, and error accumulation

Token bucket, sliding window, and fixed window rate limiting

Easy parallel iteration — par_map, par_filter, par_for_each with progress and error collection

Lightweight, per-test HTTP mock server for testing API integrations

File type detection from content (magic bytes), file extension, and MIME type mapping

Data masking and redaction for strings, emails, and sensitive data

JSON Web Token encoding, decoding, and validation with HMAC algorithms

Structural JSON diff with path tracking for Rust

IP address utilities — CIDR matching, subnet calculation, classification, and anonymization

Unified ID generation: ULID, UUIDv7, NanoID, and Snowflake

Declarative HTTP API integration testing framework with fluent assertions

HTTP health check client for monitoring service dependencies with configurable thresholds

Early-return guard clause macros for cleaner control flow

In-memory feature flag evaluation with rollout, environment, targeting, and A/B variant support for Rust

Thread-safe event bus with typed listeners for Rust

Typed environment variable validation with batch error reporting for Rust

RFC 5322 compliant email address parsing, validation, and normalization

Human-readable duration formatting and parsing

Fast .env file parser with variable interpolation, multi-file layering, and type-safe loading

Better test assertion diffs with colored inline comparisons

Date and time utilities — business days, date ranges, holiday calendars, and formatting shortcuts

High-level CSV reading, writing, and manipulation

Cron expression parsing, scheduling, and human-readable descriptions

Layered configuration from files and environment variables

Color manipulation library — parsing, conversion, blending, contrast checking, and ANSI terminal output

Cross-platform terminal color and style output with automatic capability detection

Programmatic CHANGELOG.md parsing, generation, and manipulation following Keep a Changelog format

Generic LRU cache with TTL, tags, and async support for Rust

Human-readable byte size formatting and parsing

Micro-benchmarking utilities with statistical analysis, comparison, and regression detection

Ergonomic CLI binary integration testing with fluent assertions on stdout, stderr, and exit code

Dead-simple password hashing with Argon2id — hash() and verify(), nothing more

Coroutine-based worker pool for parallel batch processing with backpressure.

HMAC webhook signature creation and verification with timing-safe comparison.

Human-readable relative time formatting: 5 minutes ago, in 3 days, yesterday.

Test data generation with builder DSL, traits, and faker utilities.

In-process async task queue with concurrency control and retry.

String manipulation: truncation, case conversion, masking, wrapping, and interpolation.

Type-safe finite state machine with DSL, transition guards, and side effects.

URL-friendly slug generation from Unicode strings with transliteration, validation, and batch processing.

Semantic version parsing, comparison, and range matching for Kotlin.

Declarative data validation with composable rules and structured errors.

Non-throwing JSON parsing with typed errors and path-based navigation.

Coroutine-native retry with configurable backoff strategies for Kotlin.

A lightweight, typed Result monad for Kotlin with railway-oriented error handling.

Coroutine-native rate limiting with token bucket, sliding window, and fixed window algorithms.

Function pipeline composition for Kotlin with named stages and error handling.

Framework-agnostic pagination for offset, cursor, and keyset patterns.

Type-safe monetary values with currency support and precise arithmetic.

Data masking for sensitive values in logs and API responses.

Structured JSON logging with context fields and sensitive field masking.

Structural diffs between JSON documents with path-based change tracking.

ID generation for Kotlin: ULID, NanoID, Snowflake, and prefixed IDs.

Lightweight HTTP client DSL with retry, timeout, and JSON support.

Composable health check framework with readiness and liveness probes.

Hashing utilities: MD5, SHA-256, SHA-512, HMAC, CRC32 with hex and base64 encoding.

Fluent guard clause validation for Kotlin with descriptive error messages.

Graceful application shutdown with signal handling and ordered teardown.

Flatten nested maps to dot-notation keys and unflatten back.

Local feature flag evaluation with percentage rollouts, user targeting, time-based flags, and composable rules.

Type-safe coroutine-based event bus for Kotlin with Flow integration.

Declarative environment variable validation and typed loading for Kotlin.

Enhanced enum utilities: safe parsing, display names, and value mapping.

Human-readable duration formatting and parsing for Kotlin.

Structured diffing of Kotlin data classes and maps with change tracking.

Deep merge maps with configurable conflict resolution.

CSV reading and writing for Kotlin with streaming support.

Cron expression parsing, scheduling, and human-readable descriptions.

Layered configuration loading from multiple sources with type-safe access.

Color parsing, conversion, and manipulation across RGB, HSL, and HEX.

Coroutine-aware circuit breaker for resilient Kotlin services.

Lightweight coroutine-aware in-memory cache with TTL and LRU eviction.

Bounded goroutine pool with backpressure and futures for Go

HMAC-SHA256 webhook signature generation and verification with HTTP middleware for Go

Go SDK + HMAC verifier for the [Webhook Relay API](https://webhook-relay.dcsuniverse.com). Go 1.22+, zero runtime dependencies beyond the standard library.

Struct validation library for Go using struct tags. Zero external dependencies

Safe type conversion utilities for Go. Handle `interface{}` values from JSON, configs, and APIs

Time manipulation helpers for Go — boundaries, comparisons, and human-readable formatting

Fluent, type-safe test assertions for Go. Built with generics, zero dependencies

Field-level struct comparison for Go with dot-notation change paths and zero dependencies

Server-Sent Events (SSE) utilities for Go. Server broker and client, zero dependencies

URL-safe slug generator for Go. Handles Unicode, configurable, zero dependencies

Handlers, formatters, and helpers for Go's log/slog. The missing batteries

Sensitive field redaction middleware for Go's `log/slog`

Generic slice utilities for Go. Map, filter, reduce, and more with type safety

Safe channel utilities for Go with panic-free send/receive, context-aware communication, and combinators

Retry with exponential backoff, circuit breaker, and context cancellation for Go

Generic Result type for Go — `Ok[T]` / `Err[T]` with mapping and chaining

HTTP JSON response helpers for Go. Write JSON responses in one line instead of five

Token bucket rate limiter for Go with per-key limiting and HTTP middleware. Zero external dependencies

Panic recovery utilities for Go — safe goroutines, panic-to-error conversion, and HTTP handler protection

Cursor and offset pagination helpers for Go. Generic, zero dependencies

Composable HTTP middleware collection for Go's `net/http`. No framework required

Generic map utilities for Go. Filter, transform, merge, group, and more

JSONPath query and extraction for Go. Type-safe with generics, zero dependencies

Composable HTTP client middleware for Go. Build instrumented `http.Client` instances with zero hassle

Health and readiness endpoint builder for Go HTTP services. Built for Kubernetes

Graceful shutdown orchestrator for Go services. Register hooks with priorities, drain in order

Polling-based file system watcher for Go. Zero dependencies

Lightweight feature flags for Go with toggles, percentage rollouts, user targeting, and A/B variants

Error wrapping with stack traces for Go

Struct-based environment variable validation with batch error reporting for Go

Context-aware structured logging helpers for Go's `log/slog`

Common cryptography helpers for Go. Safe defaults, zero dependencies

Cron expression parser and job scheduler with overlap prevention for Go

Generic circuit breaker for Go. Protect external calls with automatic failure detection and recovery

Generic in-memory LRU cache with TTL, tags, eviction callbacks, stats, and thread safety for Go

Batch processing and chunking utilities for Go. Generic, concurrent, zero dependencies

Debug overlay showing state changes, rebuild counts, and transition history

Visual snapshot testing for Flutter widgets with golden file comparison

Prebuilt animation primitives with timeline sequencing and spring physics

Offline-first data sync with conflict resolution, retry queues, and local caching

String extension methods for case conversion, truncation, masking, and validation

Unicode-aware URL slug generator with transliteration and collision handling

Unified secure storage with built-in encryption and pluggable backends

Configurable retry with exponential backoff, jitter, and circuit breaker

Rust-style Result type for type-safe error handling with pattern matching.

Token bucket, sliding window, and fixed window rate limiting for async operations

Unified notification scheduling with channels, priorities, and payload management

Lightweight JWT token decoder with typed claim access and expiration checking

Declarative form validation with composable rules and JSON schemas

Analytics event tracking with filtering, buffering, and multi-sink export

Typed event bus with Stream subscriptions, sticky events, event history, and scoped lifecycle

Dotenv file parser with typed getters and multi-environment support

Token-based design system with themes, JSON import/export, and validation. Zero dependencies. Pure Dart.

Debounce and throttle utilities with Stream transformers and cancellation

Iterable and Map extensions for groupBy, chunk, zip, partition, sliding, frequencies, and more

Declarative API client with typed responses, retries, and interceptors

Offline-first data sync engine with conflict resolution, retry queues, and local caching

Type-safe async state machine with built-in logging and SwiftUI bindings

Snapshot testing for SwiftUI with visual diffs, multi-device support, and dark mode comparison

Declarative networking client with retry, caching, plugins, and automatic Codable decoding

Modern, type-safe Keychain wrapper with Codable, biometric auth, and async/await

Declarative form builder with validation rules, result builder DSL, and dynamic JSON forms

Type-safe feature flags with local defaults, remote overrides, and SwiftUI integration

In-app developer console with logs, network monitoring, feature flags, and environment switching

Token-based design system engine with theme switching, component registry, and JSON export

Unified analytics abstraction with plug-in adapters, schema validation, and debug dashboard

In-process rate limiter with token bucket and sliding window algorithms