A Java math library for OpenGL rendering calculations
SoapUI is a free and open source cross-platform functional testing
The enterprise-ready webhooks service
Catch common Java mistakes as compile-time errors
linear time regular expression matching in Java
Distributed tracing system to gather timing data
Stream processing framework with powerful stream
Real-Time coding-free, powerful and secure ORM
DBMS supporting graph, document, full-text and geospatial models
The best file downloader library for Android
Distributed scheduled job framework
Ahead of Time Data Repositories
Android localization plugin. supports multiple languages
iText for Java represents the next level of SDKs for developers
Simple library for building production-ready RESTful web services
VisualVM is an All-in-One Java Troubleshooting Tool
ProGuard, Java optimizer and obfuscator
Apache Log4j 2 is a versatile, feature-rich, efficient logging API
Build great things at any scale
General-purpose bitemporal database for SQL, Datalog & graph queries
Stream Processing and Complex Event Processing Engine
JetCache is a Java cache framework
The open big data serving engine
Fast and usable source code search and cross reference engine