Core utilities - zero dependency base library for JDK 25+

Lightweight expression engine with arithmetic, comparison, logical operators, property access, method calls, collection operations, and sandbox execution for JDK 25+

Unified JSON processing facade with SPI mechanism. 统一 JSON 处理门面，支持 SPI 可插拔引擎。

Distributed ID generation library for JDK 25+

Pure-Java image codec library (PNG/BMP/GIF) and FFM bindings for native codecs (JPEG/WebP). Zero java.desktop, GraalVM native-image friendly.

High-performance local cache library with LRU/LFU/W-TinyLFU eviction policies for JDK 25+

OpenCode Base Crypto - Modern cryptographic utilities for JDK 25+

Date and time utilities - zero dependency date library for JDK 25+

High-performance deep clone library with reflection/serialization/unsafe strategies for JDK 25+

Event-driven architecture support - publish/subscribe pattern with virtual threads for JDK 25+

Geographic utilities - coordinate transformation, distance calculation, geofence, GeoHash for JDK 25+