Slack API in Go, originally by @nlopes; Maintainers needed, contact @parsley42

Mutate your Cassandra schema for fun and profit.

Applicative Protocol Multiplexer (e.g. share SSH and HTTPS on the same port)

H2O - the optimized HTTP/1, HTTP/2, HTTP/3 server

High Performance data structures and utility methods for Java

Immutable in-memory R-tree and R*-tree implementations in Java with reactive api

Maven plugin for running and creating Docker images

The missing bridge between Java and native C++

A faked htable implementation for testing of HBase applications

Chrome extension that replaces occurrences of 'the cloud' with 'my butt'

A Java Native Interface to LevelDB

Erlang state "monad" with merge/conflict-resolution capabilities. Useful for Riak.

The Julia Programming Language

Java Agent for Memory Measurements

Protocol Buffer coder/decoder

Google Go language IDE built using the IntelliJ Platform

Redis Java client