Type-safe HTTP client for Android and Java by Square
Create, edit and run self-contained source-only Java programs
Cross-platform framework for building truly native mobile apps
linear time regular expression matching in Java
Prometheus instrumentation library for JVM applications
High Performance data structures and utility methods for Java
Manifold is a Java compiler plugin, features include Metaprogramming
Android (f/w 2.1+) on screen keyboard for multiple languages
Soot - A Java optimization framework
Enterprise-Grade Open-Source Network Management Platform
Libraries for Analysis, with frontends for Java, Android, and JS
Ahead of Time Data Repositories
Java libraries for writing microservices
Vaadin 6, 7, 8 is a Java framework for modern Java web applications
Java library that allows matching many thousands of Events per second
Distributed tracing without code changes
Web-based SSH console that centrally manages administrative access
Open source routing engine for OpenStreetMap
Provide support to increase developer productivity in Java
China's first CTFTools framework
TLC is an explicit state model checker for specifications in TLA+
True object-oriented Java web framework without NULLs
Eclipse Collections is a collections framework for Java
Socket.IO server implemented on Java
The Enterprise-ready testing and specification framework