MediaInfoXP - GUI for MediaInfo, an open source tool for displaying technical information about media files.

VideoSpec - VideoSpec is a free AppleScript studio App (Xcode 3.

GSpot - GSpot is a Windows-based freeware designed to identify codecs used in video files.

MovieScanner - MovieScanner is a free application which uses FFProbe and SQLite to retrieve movie/video details like codecs, tracks, subtitles, etc.

AVInaptic - AVInaptic is one of the powerful software that allows you to scan & analyze the video files from your computer and extract useful information lie duration, container, AVI index, and resolution without any disturbance.

CodecInstaller - Ever had a movie where you could only hear the sound and there were no video?