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.
Distributed Workflow Engine for Microservices Orchestration
PDF Concatenation Tool
Modern JavaFX CSS theme collection with additional controls
A Java math library for OpenGL rendering calculations
Fast and usable source code search and cross reference engine
Examples, server integrations for generating Swagger API Specification
A complete solution for apps using root permissions
Library to stream in rtmp and rtsp for Android. All code in Java
Asciidoc Editor and Toolchain written with JavaFX 19
The best file downloader library for Android
Samples demonstrating how to use Maps SDK for Android
Java library for parsing and rendering CommonMark (Markdown)
Apache Maven Daemon
Java RDF Framework
jchart2d is a real-time charting library written in java.
Pure Java HTML / CSS rendering engine
UDP File transfer protocol
Apache Drill is a distributed MPP query layer for self describing data
App Debugging & Inspection Tool for Android
A Reddit client for Android
Java wrapper for the popular chat & VOIP service
Reactive Microservices for the JVM
An extensible Java library for HTTP request and response logging
OpenAI Api Client in Java