Design patterns implemented in Java

Spring Framework

Google core libraries for Java

A libre lightweight streaming front-end for Android.

Jenkins automation server

IntelliJ IDEA & IntelliJ Platform

A high performance caching library for Java

Graphs for Everyone

Most popular Mocking framework for unit tests written in Java

🏗 Build container images for your Java applications.

No clever tagline needed.

jsoup: the Java HTML parser, built for HTML editing, cleaning, scraping, and XSS safety.

Spring Security

Checkstyle is a development tool to help programmers write Java code that adheres to a coding standard. By default it supports the Google Java Style Guide and Sun Code Conventions, but is highly co…

A programmer-oriented testing framework for Java — ⚠️ maintenance mode

✅ The programmer-friendly testing framework for Java and the JVM

Open source routing engine for OpenStreetMap. Use it as Java library or standalone web server.

A list of useful Java frameworks, libraries, software and hello worlds examples

OsmAnd

A digital logic designer and circuit simulator.

Picocli is a modern framework for building powerful, user-friendly, GraalVM-enabled command line apps with ease. It supports colors, autocompletion, subcommands, and more. In 1 source file so apps …

AIMSICD • Fight IMSI-Catcher, StingRay and silent SMS!

🔬 Java Code Coverage Library

SpotBugs is FindBugs' successor. A tool for static analysis to look for bugs in Java code.

A Java architecture test library, to specify and assert architecture rules in plain Java

From UI Proposal to Code 🎶▶️

Simple Binary Encoding (SBE) - High Performance Message Codec

Lightning fast, open-source, < 250kb Android launcher

LeafPic is a fluid, material-designed alternative gallery, it also is ad-free and open source under GPLv3 license. It doesn't miss any of the main features of a stock gallery, and we also have plan…

AFWall+ (Android Firewall +) - iptables based firewall for Android