Subtitle Edit - Free subtitle editor with visual sync, time adjustments etc.Subtitle Edit Online · Subtitle Edit Videos · Subtitle Edit 3.
Zubtitle - Zubtitle is an online tool that makes it easy to add captions to any video.
Subtitle Editor - Subtitle Editor is a GTK+3 tool to edit subtitles for GNU/Linux/*BSD.
Subly - Free automated tool to add captions on video.
Subtitle Workshop - Subtitle Workshop, a free subtitle editor. Official website - download Subtitle Workshop and get Subtitle Workshop news and information.
Veme.ly - Create social videos with subtitles