Free and open source apps from ursa.nz.

Currently it serves 4 apps. To add it to your F-Droid app, scan the QR code (click it to enlarge) or use this link:

https://software.ursa.nz/fdroid/repo

If you would like to manually verify the fingerprint (SHA-256) of the repository signing key, here it is:
62 E7 D4 00 83 8E 6F 70 25 67 BA 58 1F 8D 98 1D 40 E2 0C D5 4A 69 B6 F7 24 80 74 A4 C6 99 25 C4