Hash Droid

Verify file integrityGPL-3.0-or-later

DataBackup

Back up/Restore your data.GPL-3.0-only

Screen Off Timer

Clean sleep timer to stop media and lock screen.Apache-2.0

Hebrew Calendar

Biblical feast days, sabbaths, and moon phases on a lunar calendarGPL-3.0-only

Gravel

A de-googled, hardened fork of the Pebble companion app for de-googled phonesGPL-3.0-only

Zimly S3 Backup

Synchronise your media and documents to any S3 compatible storageGPL-3.0-only

Picocrypt-NG

Paranoid, offline file encryption with XChaCha20 and Argon2id.GPL-3.0-only

OnePlus ARB Checker

Check Anti-Rollback (ARB) index for OnePlus devices to ensure safe updates.GPL-3.0-only

Droynis

Read-only security and privacy audit for your phoneGPL-3.0-or-later

GPG Key Manager

GPG Tool for AndroidMIT

Spool Maker

Read and create NFC spool tags for UltiMaker 3D printersGPL-3.0-or-later

QuorumPony

Split a secret into printable cards. Any K of N recover it. Fully offline.Apache-2.0

Tune Tangler

Enjoy your music — record, refine, remix, share.MIT

NFC Archiver

Store and restore files across multiple NFC tagsMIT

Anti-Vocale

Transcribe voice notes and calls on-deviceApache-2.0

Olvid

Private messaging for everyoneAGPL-3.0-only

Sceau

Reads and verifies the chip of passports and ID cards, fully offlineGPL-3.0-only