Google core libraries for Java

Mirror of Apache Kafka

a fast, scalable, multi-language and extensible build system

The official home of the Presto distributed SQL query engine for big data

GoCD - Continuous Delivery server main repository

Distributed Graph Database

Source-agnostic distributed change data capture system

A distributed in-memory data store for the cloud

A Graph Traversal Language (no longer active - see Apache TinkerPop)

Embulk: Pluggable Bulk Data Loader.

Nu Html Checker – Helps you catch problems in your HTML/CSS/SVG

The Wyvern programming language.

Utilities for latency measurement and reporting

A Squeak/Smalltalk VM and Polyglot Programming Environment for the GraalVM.

Packaging and deployment for standalone JRuby apps

High-performance Future implementation for the JVM

Gravel is a Smalltalk implementation for the JVM

The official Java library for http://airbrake.io

Enhanced version of Tim Budd's SmallWorld (Smalltalk on JVM)

(retired) A pedestrian simulation tech demo