Netty project - an event-driven asynchronous network application framework

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

OpenRefine is a free, open source power tool for working with messy data and improving it

Distributed and fault-tolerant realtime computation: stream processing, continuous computation, distributed RPC, and more

Tools for keeping your cloud operating in top form. Chaos Monkey is a resiliency tool that helps applications tolerate random instance failures.

AI constraint solver in Java to optimize the vehicle routing problem, employee rostering, task assignment, maintenance scheduling, conference scheduling and other planning problems.

SQLite JDBC Driver

The Minecraft Mod API

JeroMQ is a pure Java implementation of the ZeroMQ messaging library, offering high-performance asynchronous messaging for distributed or concurrent applications.

Twitter common libraries for python and the JVM (deprecated)

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

MVEL (MVFLEX Expression Language)

[LEGACY] LWJGL 2.X - The Lightweight Java Game Library.

The Eclipse Plug-ins for Gradle project.

A cache-coherent in-memory data grid

Java API for CouchDB

Java type safe statically compiled mustache

The New Relic Java agent

A multiplayer Atari 2600 emulator written in pure Java using no libs

Hadoop MapReduce over Hive based implementation of attributed network pattern matching.

Distributed Tracing Support