Prove your vaccination, recovery, or negative test result.Apache-2.0

Key Mapper

Unleash your keys! Open source!GPL-3.0-only

Fertility Test Analyzer App: Ovulation & Pregnancy

Track your fertility: read ovulation test strips & confirm pregnancy super earlyApache-2.0

ente - encrypted photo storage

ente is an end-to-end encrypted photo storage appAGPL-3.0-only


Privacy for All Apps! Encrypt and Disguise Messages in All Your Apps!GPL-3.0-or-later

Les Pas - Photo Album for Nextcloud

A photo album that saves all your precious memory in your private cloudApache-2.0

My Expenses

Easy to use personal finance manager: rich functionality and Open SourceGPL-3.0-only


Perform physics experiments with your phone. (by the RWTH Aachen University)GPL-3.0-only

PixelKnot: Hidden Messages

Have a secret that you want to share? Why not hide it in a picture?GPL-3.0-only

Scrambled Exif

Remove the metadata from your pictures before sharing themGPL-3.0-only

Catima — Loyalty Card Wallet

For your barcodes, memberships, loyalty programs, coupons and tickets.GPL-3.0-or-later


Audio & Video Calls / Chat Take Control of your Communication!GPL-3.0-or-later

Simple File Manager Pro

Handy file explorer for easily searching or organizing your files and foldersGPL-3.0-only