Programmer-friendly testing framework for Java and the JVM
Browser automation framework and ecosystem
Fast, scalable, multi-language and extensible build system
Desktop/Android/HTML5/iOS Java game development framework
iText for Java represents the next level of SDKs for developers
VisualVM is an All-in-One Java Troubleshooting Tool
A reverse engineering suite (decompiler, editor, debugger and more)
Java interface to OpenCV, FFmpeg, and more
Apache Log4j 2 is a versatile, feature-rich, efficient logging API
Distributed Workflow Engine for Microservices Orchestration
Most popular Mocking framework for unit tests written in Java
The modern Essentials suite for Spigot and Paper
Parser generator to read, process, or translate structured text
Advanced manager and monitor for Apache Tomcat
Java language binding for writing Appium Tests
An extensible multilanguage static code analyzer
Hibernate's core object/relational mapping functionality
A free and open development kit for the Sega Mega Drive
High-quality QR Code generator library in Java, TypeScript/JavaScript
The missing bridge between Java and native C++
The home of the ICU project source code
Open-source code analysis platform for C/C++/Java/Binary/Javascript
An efficient, small mobile key-value storage framework
The open big data serving engine
Apache InLong - a one-stop integration framework for massive data