Vaadin 6, 7, 8 is a Java framework for modern Java web applications
The open big data serving engine
Cross-platform framework for building truly native mobile apps
A flexible, stable, easy-to-use Android plug-in framework
A distributed single-sign-on framework
Framework for building GraalVM-enabled command line apps
Android toast frame, dedicated to treating various difficult problems
A powerful componentized framework
True object-oriented Java web framework without NULLs
Your go-to microservice framework for any situation
Fast dependency injector for Android and Java
SDL library for Android, including several games.
An object relational-mapping (ORM) library for Java
iDempiere. Community Powered Enterprise
Cross-platform DICOM implementation
Arianne is an engine to develop multiplayer online games like Stendhal
Eclipse 4diac the open source solution for industrial automation
Automatic frontend engine for Java
an OSGi-based Swing Application Framework
Brutos is an easy and powerful mvc controller.
generic bean/entity, server side rendered, single page web application
Cross-platform C++ library for use as a default application framework.