GSpot - GSpot is a Windows-based freeware designed to identify codecs used in video files.
VideoSpec - VideoSpec is a free AppleScript studio App (Xcode 3.
CodecInstaller - Ever had a movie where you could only hear the sound and there were no video?
MediaInfoXP - GUI for MediaInfo, an open source tool for displaying technical information about media files.
MovieScanner - MovieScanner is a free application which uses FFProbe and SQLite to retrieve movie/video details like codecs, tracks, subtitles, etc.
Avicodec - AVIcodec is a free multimedia file analyser for Windows.