A barebones WebSocket client and server implementation
Slack Developer Kit (including Bolt for Java) for any JVM languages
Postgresql JDBC Driver
Decompiler from Java bytecode to Java, used in IntelliJ IDEA
Macro-oriented asynchronous web-framework written in Nim
A reverse engineering suite (decompiler, editor, debugger and more)
Distributed tracing without code changes
Red5 Server core
A complete 3-D game development suite written in Java
A collection of source code generators for Java
Clojure library for fast JSON encoding and decoding
Fast, scalable, multi-language and extensible build system
Next generation AWS IoT Client SDK for Java
Database connection pool written in Java
H2 is an embeddable RDBMS written in Java
Generates TypeScript from Java, JSON declarations, REST service client
This is an implementation of RFC 6902 JSON Patch written in Java
PDFsam, a desktop application to split, merge, mix, rotate PDF files
An open source Minecraft reimplementation written from scratch
An enterprise-grade Java-based, Apache 2.0 licensed Ethereum client
An open source Valkey client library that supports Valkey and Redis
A Reddit client for Android
TLC is an explicit state model checker for specifications in TLA+
DBMS supporting graph, document, full-text and geospatial models
The original extensible Markdown + Math note app