
CalEF (Calendar Entry Formatter)
Create and send Appointment-Confirmation-Message from Android-Calendar-Entry.GPL-3.0-or-later

lWS
lightweight Web Server (lWS)GPL-3.0-only

Notally | Minimalist Notes
A simple and elegant open source notes appGPL-3.0-only

Kontalk Messenger
A new way of communicating: community-driven instant messaging network.GPL-3.0-only

ProtonVPN - Secure and Free VPN
Free Swiss VPN with advanced security and privacy features.GPL-3.0-only

NotallyX - Quick Notes/Tasks
A simple and minimalistic open source notes appGPL-3.0-only

Keyoxide
Verify decentralized cryptographic identities on the goAGPL-3.0-or-later

Titan Companion
Fighting Fantasy companion (stat sheets, dice rolls, combat engine, save/load)LGPL-3.0-only

OpenKeychain: Easy PGP
Encrypt your Files and Communications. Compatible with the OpenPGP Standard.GPL-3.0-or-later

NetGuard
A simple way to block access to the internet per applicationGPL-3.0-only

ToGoZip ('==> Zip')
ToGoZip: Add to Zip for android-s share/send menu.GPL-3.0-only

GPSLogger
A lightweight GPS logger, battery efficient, GPX/KML, add notes, share, upload.GPL-2.0-only

strongSwan VPN Client
An easy to use IKEv2/IPsec-based VPN client.GPL-2.0-or-later

Grazer Linuxtage
Browse the "Grazer Linuxtage" scheduleApache-2.0

Lexica
Find as many words as possible on a grid of random letters within a time limitGPL-3.0-only

Save Locally
Using an app that doesn't allow Saving but allows Sharing? No problem! AGPL-3.0-or-later

Nextcloud Talk
Have private video calls and chat using your own server.GPL-3.0-only

Automation
Automate stuff on your device by creating rules.GPL-3.0-or-later

Unciv
Open source 4X civilization-building gameMPL-2.0

Easy Watermark
Securely, easily add a watermark to your sensitive photos.MIT