Eclipse Collections is a collections framework for Java
Pure Java annotation, single class file, rapid development
A declarative framework for building efficient UIs on Android
EasyML serialization library, to and from XML, similar to Gson
Java framework for SWIFT [tm] MT (FIN) messaging
A simple and efficient security framework
Java-based test automation framework (Maven + TestNG)
A lghtweight AOP(Android) application framework
The best Java library to work with .Net libraries and frameworks.
The best library to work with .Net Assemblies in any programming lang.
A free Java KNX network library
CrNiCKL (chronicle) is a Java database for time series
API-Makes static web pages readable with no coding
A lightweight Java HTTP server and webservice-framework
A Java Class Library for Text Processing
DataAdapter - Java library to work with Oracle and PostgreSQL database
Commonly used utility classes (java.util.collection related)
A Task Processing Framework for Java
Crux is a framework to develop efficient Web/Mobile applications.
Reduced SWING coding. New UI components. Easy layout management.
Command line argument parser library for Java