This action extension workflow accepts files of any type (though they must be text-based) and creates a gist using the GitHub API. You need to create a GitHub personal access token before you can use this workflow. GitHub allows you to create multiple access tokens with different permissions. For the purpose of this workflow, I recommend creating...

Using an image as a watermark, this workflow overlays it to a specific corner of the workflow, proportional to the size of the image being watermarked.

Copies the specified text to the clipboard, then uses the Edit Image action to add text. The text in the clipboard then needs to be pasted into the text field.

Search 2Do for the search term you enter when prompted by the “Ask for Input” action.

Flips a coin and tells the answer as an alert.

Upload and organize screenshots of your iOS home screen on Dropbox. The workflow makes use of the “Wait to Return” action. After starting the workflow, exit to the home screen and take a screenshot, then return to Notification Center to continue. You can optionally tweet a photo of your latest home screen.