Seer

Control bar is designed to match file extensions to programs for options to launch matching files in these programs instead of the default application.

Usage:
  1. click open Settings, switch to Controls tab
  2. set a file extension to input box in Extension group, e.g.: png
  3. click add, then select a executable file path, e.g.: C:\Program Files\Adobe\Photoshop.exe
  4. click OK to submit settings
  5. try to trigger a file with the extension you just provided in Step 2, now you can see a icon in control bar which allows you to open that file with the application you provided in Step 3