jOOQ is the best way to write SQL in Java
Apache NetBeans
China's first CTFTools framework
A Java to iOS Objective-C translation tool and runtime
Visualizes all aspects of compiled Java class files
Desktop/Android/HTML5/iOS Java game development framework
Apache Avro is a data serialization system
Test automation made simple
Development tool to help programmers write standard Java code
Continuous inspection
Java library that enables cross-platform access to popular native APIs
Make writing Java http clients easier
Simple CLI Tool that translates your code in ANY programming language
Java binary serialization and cloning, fast, efficient, automatic
A scalable web crawler framework for Java
New additions to the Java programming language
Fluent assertions for Java and Android
A configuration as code language with rich validation and tooling
Most popular Mocking framework for unit tests written in Java
A high performance caching library for Java
Cross-platform framework for building truly native mobile apps
Java to Closure JavaScript transpiler
Framework on top of spring-boot that helps create back-ends
The Ballerina Programming Language
Reactive Extensions for the JVM