Apache NetBeans
Pentaho Data Integration ( ETL ) a.k.a Kettle
Browser automation framework and ecosystem
Programmer-friendly testing framework for Java and the JVM
An enterprise-grade Java-based, Apache 2.0 licensed Ethereum client
Easily create Spring-powered, production-grade applications
ProGuard, Java optimizer and obfuscator
Cross-platform framework for building truly native mobile apps
Vaadin 6, 7, 8 is a Java framework for modern Java web applications
Most popular Mocking framework for unit tests written in Java
A distributed single-sign-on framework
A fast, lightweight and more productive microservices framework
An event-driven asynchronous network application framework
TestNG testing framework
Framework for Evolutionary Message-Driven Microservices on the JVM
Telegram Bot API for Java
A blazing fast multi-language serialization framework
The Enterprise-ready testing and specification framework
Hawtio web console helps you manage your JVM stuff and stay cool
Identity & Single Sign On for all earthlings and beyond
Java version of the Playwright testing and automation library
Java language binding for writing Appium Tests
Comprehensive programming and configuration model for modern apps
Micronaut Application Framework
China's first CTFTools framework