This is an open-source user interface designed to be your internally/externally hosted homepage for your homelab/server.
Fenrus Alternatives
Fenrus is described as 'A personal home page for quick access to all your personal apps/sites' and is an app. There are more than 10 alternatives to Fenrus for a variety of platforms, including Self-Hosted, Web-based, Docker, Linux and Mozilla Firefox apps. The best Fenrus alternative is Astroluma, which is both free and Open Source. Other great apps like Fenrus are Homepage (by Ben Phelps), Homarr , Heimdall Application Dashboard and Homer Dashboard.