Browse free open source Java Libraries and projects below. Use the toggles on the left to filter open source Java Libraries by OS, license, language, programming language, and project status.
The binary distribution of openHAB
Open source routing engine for OpenStreetMap
A Reddit client for Android
Java wrapper for the popular chat & VOIP service
A Java math library for OpenGL rendering calculations
A library for communication with a Minecraft client/server
Examples, server integrations for generating Swagger API Specification
Automated driver management and helper features for Selenium WebDriver
A complete solution for apps using root permissions
Library to stream in rtmp and rtsp for Android. All code in Java
Java RDF Framework
The best file downloader library for Android
App Debugging & Inspection Tool for Android
Fast and usable source code search and cross reference engine
PSLab Android App
Apache Maven Daemon
jchart2d is a real-time charting library written in java.
Pure Java HTML / CSS rendering engine
A library that provides access to Android hidden APIs
Apache Drill is a distributed MPP query layer for self describing data
Asciidoc Editor and Toolchain written with JavaFX 19
Modern JavaFX CSS theme collection with additional controls
Android image loading & caching library focused on smooth scrolling
Samples demonstrating how to use Maps SDK for Android
Reactive Microservices for the JVM