Crowdin - Localize your product in a seamless way

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.

POEditor - The translation and localization management platform that's easy to use *and* affordable!

NekoCap - Video & Movies

Lokalise - Localization tool for software developers. Web-based collaborative multi-platform editor, API/CLI, numerous plugins, iOS and Android SDK.

Hierogly.ph - Youtube transcription app. Made by @_nd_go and @FoolAllTheTime.