: Tools like VEED.IO allow you to add animated or moving text directly in your browser.
: In software like DaVinci Resolve or Shotcut , you can drag a "Text" or "Text+" node onto a track above your video on the timeline. Randimp4
If you want to place text, titles, or captions onto an existing video: : Tools like VEED
If you are looking for a way to read text while being recorded (appearing to look at the camera): Randimp4