Captionfy.io - Captionfy is a free Youtube community captions platform with a subtitles/captions editor that you can use to create captions for any public Youtube video.
Subtitles - Automatically downloads subtitles for your movies and TV shows. It works like magic!
Kapwing - Collaborative video editor for modern creative teams
Open Subtitles FlixTools - Download perfectly matched subtitles for your movies and TV series, edit meta-data and convert...
Captionz - Watch YouTube with dual captions, A-B repeat and more
OpenSubtitles.org - OpenSubtitles.org was developed for easy downloading and uploading subtitles for movies.