Linux kernel source tree

Redis is an in-memory database that persists on disk. The data model is key-value, but many different kind of values are supported: Strings, Lists, Sets, Sorted Sets, Hashes, Streams, HyperLogLogs,…

A code-searching tool similar to ack, but faster.

Nokogiri (鋸) makes it easy and painless to work with XML and HTML from Ruby.

nanomsg library

The Rubinius Language Platform

A compositor for X11.

System Information Gatherer And Reporter

High-level C binding for ØMQ

Simple evented I/O for Ruby (but please check out Celluloid::IO instead)

mutt-kz is DEPRECATED in favor of neomutt project.

Library with DXF related functions (work in progress)

A tiny operating system, written in C and ASM