Similar to Rockbox

Alpine (email client)

ALTQ

Apache HTTP Server

Apache Mynewt

Apache Portable Runtime

Apache Subversion

Audacious (software)

AutoDock

Berkeley DB

Berkeley Software Distribution

BitchX

Calibre (software)

Caudium (web server)

ClamAV

Claws Mail

Completely Fair Scheduler

Concurrent Versions System

CPython

Ruby MRI

Cwm (window manager)

Cygwin

Darling (software)

Dasher (software)

DeaDBeeF

Dia (software)

Dpkg

Dropbear (software)

Dwm