OpenSubtitles.org - OpenSubtitles.org was developed for easy downloading and uploading subtitles for movies.
NZBGet - The most efficient usenet downloader.
SubDownloader - SubDownloader - Fast and Easy Subtitle Downloader
NZBGet.com - Fast, reliable, and feature-packed NZB downloader.
SubiT - With SubiT, you can download subtitles to your favorite movies and serieses, with a simple click.
SABnzbd - SABnzbd is a free/open-source cross-platform binary newsreader written in Python.