Internet

mail

is a secure and open source e-mail client

Nextcloud News

Android App for Nextcloud News

DankChat

A simple app to chat on Twitch.tv

DanXi

Maybe the best all-rounded service app for Fudan University students.

Yggdrasil

Official implementation for connecting to the Yggdrasil Network from Android

Torrents-csv-android

A search engine for Torrents-csv.

Jerboa for Lemmy

An app for Lemmy, a federated reddit alternative.

Infomaniak kSync

Automatically sync your contacts and calendars

TSViewer

Simple TS client which shows you the amount and names of connected clients.

Outline Manager

The application for managing Outline VPN servers

Xenia

Browse Gemini sites using a normal web browser

OONI Probe

Open Observatory of Network Interference (OONI)

Moshidon

Mastodon for Android but it's Material You and has more features

Box, Box!

Unofficial app for Formula 1 lovers!

Commons

Upload images to wikimedia.org

Eternity

An Lemmy client for Android, forked from the Infinity for Reddit project.

You Have Mail

Email Notification without Google Play Services

Meshenger

True P2P voice- and video phone App.

Energize

Track your food and nutrition easily and fast.

MobileInpact

MobileInpact is an unofficial client for NextInpact.

Briar

Secure Messaging, Anywhere

Tiny Weather Forecast Germany

Weather forecast based on open data from the Deutscher Wetterdienst.

Prav

A user-friendly messenger for everyone with a focus on privacy and freedom!

TRIfA

TRIfA Tox Client

ownCloud

Add an ownCloud server now and get … Your Cloud, Your Data, Your Way!

Nekome

Keep track of your anime and manga, through the use of the Kitsu API.

Stingle Photos

Stingle Photos is a secure, end-to-end encrypted gallery and sync app

TU Darmstadt Moodle Wrapper

Open Moodle links of the TU Darmstadt in the official Moodle app

Website Monitor

This app helps to monitor your websites periodically with notification.

MultiVNC

VNC viewer that aims to be easy to use and fast