Great list, some of the apps I commonly use you did not mention:
Aves Libre (Gallery)
Breezy Weather (Weather overview)
Fossify Calendar
Immich (Self hosted Google Photos alternative)
K-9 Mail (E-Mail, to be rebranded to Thunderbird Mobile at some point in the future)
NetGuard (Firewall and logging)
Nextcloud (Self-hosted cloud storage)
Unexpected Keyboard (Keyboard that works nicely with Termux)