FileBot is a tool for renaming movies, TV shows, or Anime, and for downloading subtitles. It's smart, streamlined for simplicity, and just works. It includes commandline interface for automation.
FindDup is an easy to use tool for detecting duplicate files on your computer.
MSGViewer can display Microsoft Outlook MSG files without the requirement of having Microsoft Outlook installed. The mail messages can be displayed and attachments can be extracted.
A versatile document capture application for Mac OS X.
A generic video downloader.