VisualVM is an All-in-One Java Troubleshooting Tool
Lightweight mobile-friendly Docker Swarm management UI
Fast, scalable, multi-language and extensible build system
open source Java library for creating and editing PDF files
Visualizes all aspects of compiled Java class files
iText for Java represents the next level of SDKs for developers
The modular web framework for Java and Kotlin
Browser automation framework and ecosystem
The OWASP ZAP core project
Desktop/Android/HTML5/iOS Java game development framework
Java library that enables cross-platform access to popular native APIs
Easily create Spring-powered, production-grade applications
Metaprogramming library to analyze and transform Java source code
ProGuard, Java optimizer and obfuscator
signal-cli provides a commandline, dbus and JSON-RPC interface
A modification for the Discord Android App
Comprehensive programming and configuration model for modern apps
A set of tools that keep Java sweet
Distributed tracing without code changes
A free and open development kit for the Sega Mega Drive
Real-Time coding-free, powerful and secure ORM
Apache Maven core
Alibaba Dragonwell8 JDK
Copybara: A tool for transforming and moving code between repositories
Apache Log4j 2 is a versatile, feature-rich, efficient logging API