VEED Subtitle - A simple & fast way to add subtitles to your videos online
Subly - Free automated tool to add captions on video.
Subly Pro - Subtitle videos and audio automatically in seconds
Zubtitle - Zubtitle is an online tool that makes it easy to add captions to any video.
Video Subtitle Maker - Add captions directly to your videos online
Veme.ly - Create social videos with subtitles