Vert.x is a tool-kit for building reactive applications on the JVM

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

The Clojure programming language

Java JWT: JSON Web Token for Java and Android

A Java to iOS Objective-C translation tool and runtime.

Java implementation of JSON Web Token (JWT)

Non-Blocking Reactive Foundation for the JVM

A complete 3-D game development suite written in Java.

Terasology - open source voxel world

Micro second messaging that stores everything to disk

Leetcode solutions

Heritrix is the Internet Archive's open-source, extensible, web-scale, archival-quality web crawler project.

Replicate your Key Value Store across your network, with consistency, persistance and performance.

Simple, high-performance event-driven HTTP client+server for Clojure

Security engine for Java (authentication, authorization, multi frameworks): OAuth, CAS, SAML, OpenID Connect, LDAP, JWT...

Java library for creating text-based GUIs

The goal of this project is to allow integrated or USB-connected webcams to be accessed directly from Java. Using provided libraries users are able to read camera images and detect motion. Main pro…

Google Cloud Client Library for Java

Lightweight threads for Java, with message passing, nio, http and scheduling support.

Cross-platform framework for building truly native mobile apps with Java or Kotlin. Write Once Run Anywhere support for iOS, Android, Desktop & Web.

Rapidoid - Extremely Fast, Simple and Powerful Java Web Framework and HTTP Server!

A JSON Schema validation implementation in pure Java, which aims for correctness and performance, in that order

FST: fast java serialization drop in-replacement

WebLaF is a fully open-source Look & Feel and component library written in pure Java for cross-platform desktop Swing applications.

Nginx module for embedding Clojure or Java or Groovy programs, typically those Ring based handlers.

Beanshell scripting language

A java client library to access Exchange web services. The API works against Office 365 Exchange Online as well as on premises Exchange.

JavaLite is a cohesive collection of frameworks designed from ground up to add pleasure back to your daily life

A beautiful, cross-platform REST client.

Java API for Natural Language Generation. Originally developed by Ehud Reiter at the University of Aberdeen’s Department of Computing Science and co-founder of Arria NLG. This git repo is the offic…