Lightweight JWT token decoder with typed claim access and expiration checking
Token bucket and sliding window rate limiting for async operations
Iterable and Map extensions for groupBy, chunk, zip, partition, sliding, frequencies, and more
Unicode-aware URL slug generator with transliteration and collision handling
Debounce and throttle utilities with Stream transformers and cancellation
Prebuilt animation primitives with timeline sequencing and spring physics
Debug overlay showing state changes, rebuild counts, and transition history
Analytics event tracking with filtering, buffering, and multi-sink export
Dotenv file parser with typed getters and multi-environment support
Typed event bus with Stream subscriptions, sticky events, event history, and scoped lifecycle
Offline-first data sync with conflict resolution, retry queues, and local caching
Token-based design system with themes, JSON import/export, and validation
Unified notification scheduling with channels, priorities, and payload management
Configurable retry with exponential backoff, jitter, and circuit breaker
Unified secure storage with built-in encryption and pluggable backends
Declarative form validation with composable rules and JSON schemas
Rust-style Result type for type-safe error handling with pattern matching
String extension methods for case conversion, truncation, masking, and validation
Declarative API client with typed responses, retries, and interceptors
Visual snapshot testing for Flutter widgets with golden file comparison