Frametanium
Install and update Steam Frame apps and ports from their GitHub releases. Saves and ROMs are kept.
Add an app from GitHub
New for the Frame on GitHub
Projects made for the Steam Frame with a release you can install. Searched every 12 hours.
Settings
Private repos need a GitHub token with read access to their contents (a fine-grained token limited to those repos is enough). It's stored only on the Frame and never shown again.