Zubtitle - Zubtitle is an online tool that makes it easy to add captions to any video.
Caption - Open-source captioning tool to help find the right subtitles.
Streamlabs Podcast Editor - Streamlabs Podcast Editor ― Edit Your Video By Editing Text
Ava - Making conversations accessible for the deaf
Kapwing - Collaborative video editor for modern creative teams
Captioned - Say, show, share. Create a 60 second captioned video.