FlexGet - FlexGet is a multipurpose automation tool for all of your media
SubDownloader - SubDownloader - Fast and Easy Subtitle Downloader
Medusa TV Library Manager - Automatic Video Library Manager for TV Shows.
OpenSubtitles.org - OpenSubtitles.org was developed for easy downloading and uploading subtitles for movies.
MyTvShowOrganizer - A Complete Set of tools to Organize, Get info and Automatically Download Torrents of Tv-Series...
SubiT - With SubiT, you can download subtitles to your favorite movies and serieses, with a simple click.