Captioned - Say, show, share. Create a 60 second captioned video.
Caption - Open-source captioning tool to help find the right subtitles.
Subly - Free automated tool to add captions on video.
VEED Subtitle - A simple & fast way to add subtitles to your videos online
Milk Video - Turn webinars into designed video highlights in minutes
Auto Subtitles by Type Studio - A fast & easy way to add auto subtitles to your video online