Spring Framework

Google core libraries for Java

RxJava – Reactive Extensions for the JVM – a library for composing asynchronous and event-based programs using observable sequences for the Java VM.

Termux - a terminal emulator application for Android OS extendible by variety of packages.

Getting Started with Spring Boot 3:

Netty project - an event-driven asynchronous network application framework

A libre lightweight streaming front-end for Android.

Desktop/Android/HTML5/iOS Java game development framework

The automation tower defense RTS

JDK main-line development https://openjdk.org/projects/jdk

光 HikariCP・A solid, high-performance, JDBC connection pool at last.

A high performance caching library for Java

Git Server with CI/CD, Kanban, and Packages. Seamless integration. Unparalleled experience.

Style and Grammar Checker for 25+ Languages

Guice (pronounced 'juice') is a lightweight dependency injection framework for Java 11 and above, brought to you by Google.

Redis Java client

A barebones WebSocket client and server implementation written in 100% Java.

The Clojure programming language

A collection of source code generators for Java.

A free, secure and open source app for Android to manage your 2-step verification tokens.

A simple expressive web framework for java. Spark has a kotlin DSL https://github.com/perwendel/spark-kotlin

Apache Tomcat

google maps for block game

Modifications to the Minecraft base files to assist in compatibility between mods. New Discord: https://discord.minecraftforge.net/

Tiny, easily embeddable HTTP server in Java.

Catch common Java mistakes as compile-time errors

Code for Quartz Scheduler

configuration library for JVM languages using HOCON files

Java implementation of JSON Web Token (JWT)

vʌvr (formerly called Javaslang) is a non-commercial, non-profit object-functional library that runs with Java 8+. It aims to reduce the lines of code and increase code quality.