Caption This - Create a smart caption for your photo in a second!
Language Learning with Netflix - Use movies as study material for language learning
Captioned - Say, show, share. Create a 60 second captioned video.
Duolingo - Duolingo is a free language learning app for iOS, Windows and Android devices. The app makes learning a new language fun by breaking learning into small lessons where you can earn points and move up through the levels. Read more about Duolingo.
captionpanda - Automatically add captions to any video on iOS
Caption - Open-source captioning tool to help find the right subtitles.