VLC Media Player - VLC is a free and open source cross-platform multimedia player and framework.
Kizoa - Kizoa is an Online Movies and Videomaker application that use photos, videos and music to design and stunning stuff.
foobar2000 - An advanced freeware audio player for the Windows platform.
Magisto - Magisto online video editor is a fast & powerful video maker. Turn your photos and video clips into video stories with Magisto movie editor. Start free!
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.
Animoto - Animoto turns your photos and video clips into professional video slideshows in minutes. Fast, free and shockingly simple - we make awesome easy.