MediaInfo - MediaInfo is a convenient unified display of the most relevant technical and tag data for video and audio files
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.
MediaInfoXP - GUI for MediaInfo, an open source tool for displaying technical information about media files.
Media Tab - Media Tab is a nifty software solution that is extensively designed to display a wide range of details related to your audio or video files with only a single click.
MovieScanner - MovieScanner is a free application which uses FFProbe and SQLite to retrieve movie/video details like codecs, tracks, subtitles, etc.