VLC Media Player - VLC is a free and open source cross-platform multimedia player and framework.
Mercalli ProDAD - Mercalli is a program that lets you stabilise shaky footage during post processing.
foobar2000 - An advanced freeware audio player for the Windows platform.
Deshaker - Deshaker is a video stabilizer for ...
Winamp - Winamp is a media player that allows users to play multiple-file formats, arrange media in a varied file-management system, and play unique media with AAC encoding.
VideoPad - VideoPad is video editing and movie making software that lets you edit video and movies.