Similar to KolourPaint

BootX (Apple)

Botan (programming library)

Brackets (text editor)

Brotli

BSD libc

Budgie (desktop environment)

C-Store

Cacti (software)

Caddy (web server)

CakePHP

Capistrano (software)

Ccache

Cdb (software)

Cdparanoia

Cdrkit

CERN httpd

Cgroups

Checkstyle

Progress Chef

CherryPy

Chrony

CKEditor

ClamAV