Similar to Xvid

List of open-source codecs

Ffdshow

Arora (web browser)

Brackets (text editor)

Dia (software)

Enigmail

Graphviz

KompoZer

AoTuV

AV1

Dirac (video compression format)

FLAC

Matroska

WebM

7-Zip

Alfresco Software

OpenOffice Writer

Apache Subversion

Avidemux

Bc (programming language)

BIRT Project

Caddy (web server)

Progress Chef

Clonezilla

CMake

Crystal Space

DOSBox