Modern HTTP benchmarking tool

A standalone and lightweight C library

A streaming JSON parsing and encoding library for Ruby (C bindings to yajl)

Memcache on SSD

iodine - HTTP / WebSockets Server for Ruby with Pub/Sub support

Exim Mail Transport Agent - source, testsuite and documentation

Binary Grep

DRY and RAD for regular expressions and then some.

[abandoned] Intelligently searches through a list of file names for the one you were probably looking for.

Blazingly fast, native 2d kdtree.

Library for solving packages and reading repositories (superseded by libsolv)

Elixir module for POSIX signal handling