Zubtitle - Zubtitle is an online tool that makes it easy to add captions to any video.
Caption This - Create a smart caption for your photo in a second!
VEED Subtitle - A simple & fast way to add subtitles to your videos online
Quik by GoPro - Easiest way to create awesome videos
Streamlabs Podcast Editor - Streamlabs Podcast Editor ― Edit Your Video By Editing Text
MotionDen - Free online animated video maker