jOOQ is the best way to write SQL in Java
Development tool to help programmers write standard Java code
Apache NetBeans
China's first CTFTools framework
Test automation made simple
Apache Avro is a data serialization system
Java binary serialization and cloning, fast, efficient, automatic
Simple CLI Tool that translates your code in ANY programming language
Desktop/Android/HTML5/iOS Java game development framework
Continuous inspection
Make writing Java http clients easier
Visualizes all aspects of compiled Java class files
A durable Datalog implementation adaptable for distribution
A scalable web crawler framework for Java
New additions to the Java programming language
A Java to iOS Objective-C translation tool and runtime
Reactive Extensions for the JVM
Most popular Mocking framework for unit tests written in Java
Java to Closure JavaScript transpiler
Cross-platform framework for building truly native mobile apps
Java library that enables cross-platform access to popular native APIs
Clojure HTTP server/client library with WebSocket support
An efficient, small mobile key-value storage framework
Fluent assertions for Java and Android
Simplifies the development of creating a JPA-based data access layer