Similar to kerberos

Budgie (desktop environment)

Bullet (software)

Byobu (software)

C-Store

Cacti (software)

Caddy (web server)

Cairo (graphics)

CakePHP

Calibre (software)

Capistrano (software)

Ccache

Cdb (software)

Cdparanoia

Cdrkit

CERN httpd

Cervisia

Cgroups

Checkstyle

Progress Chef

CherryPy

Chrony

Citra (emulator)

CKEditor