tinylog is a lightweight logging framework for Java, Kotlin, Scala
Spring Batch is a framework for writing batch applications using Java
TestNG testing framework
A fast, lightweight and more productive microservices framework
Socket.IO server implemented on Java
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.
JMEDS is a lightweight, modular extendable Java Framework for DPWS.
Multiplatform data-driven test automation execution services
Java actor library
Lightweight fully extendable client/server application framework
A model-based test automation framework for GUI applications
Tries to reimplement the .NET Framework in Java
Apache Cayenne, Wicket, CXF, GWT, EJB examples as a framework