Iwacu family tree app. Private, encrypted, no accounts required. Install iwacu to build your family tree — data stays on your devices.

Currently it serves 3 apps. To add it to your F-Droid app, scan the QR code (click it to enlarge) or use this link:

https://fdroid.paramira.org/repo

If you would like to manually verify the fingerprint (SHA-256) of the repository signing key, here it is:
57 99 21 DF DE 78 38 4E 0E 35 89 8A AE BF 48 F2 79 7C 94 72 B9 3A A5 54 C9 CA 8C 98 84 41 F8 81