steamsync

steamsync is a command line tool to add games from various launchers as steam shortcuts. It supports (to an extent):

• The Epic Games Store (best)
• Xbox games installed on Windows (limited)
• itch.io
• legendary (limited)

It can also attempt to fetch art from the Steam catalog (--download-art)

Install

Command Line

Download an .exe from the GitHub releases on the right

OR

pip install steamsync

then run

steamsync

For more detailed instructions on using the CLI, see here.

GUI

There is an out of date UI available here