Letter: K
- k3b-extras-freeworld - Additional codec plugins for the k3b CD/DVD burning application
- k9copy - Video DVD backup and creation program
- kino - Kino is a non-linear DV editor for GNU/Linux
- kmediafactory - A template based DVD authoring tool
- kmodtool - Tool for building kmod packages
- kplayer - A media player based on MPlayer
- kqemu - The QEMU Accelerator Module (KQEMU)
- kqemu-kmod - The QEMU Accelerator Module (KQEMU)