Java API for GitHub
Java wrapper for the popular chat & VOIP service
Telegram Bot API for Java
Essential hooks for modding with Fabric
Java client library for Google Maps API Web Services
Java library to create bots using Telegram Bots API
An engine-agnostic deep learning framework in Java
Add custom NBT tags to Items/Tiles/Entities without NMS
OpenAI Api Client in Java
Free implementation of Play Services
Java Docker API Client
Java library for parsing and rendering CommonMark (Markdown)
Library to stream in rtmp and rtsp for Android. All code in Java
Programmer-friendly testing framework for Java and the JVM
Slack Developer Kit (including Bolt for Java) for any JVM languages
Active development of the Azure SDK for Java
Desktop/Android/HTML5/iOS Java game development framework
VisualVM is an All-in-One Java Troubleshooting Tool
Distributed tracing system to gather timing data
Most popular Mocking framework for unit tests written in Java
Metaprogramming library to analyze and transform Java source code
SoapUI is a free and open source cross-platform functional testing
Automated driver management and helper features for Selenium WebDriver
Template-driven engine to generate documentation
Java bytecode engineering toolkit