Internet

croc
Easily and securely send things from one computer to another

FluffyChat
Chat with your friends with FluffyChat.

NiDeau
Android application to display the water temperature around Nidau

Databag
A federated chat client designed for privacy and selfhosting.

Nextcloud Cookbook
View all your recipes stored in your Nextcloud instance.

Riseup VPN
Secure VPN powered by Bitmask

Bitmask
Encrypted communication for mere mortals(superheroes welcome, too).

InviZible Pro: increase your security, protect you
Comprehensive application for on-line privacy and security

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.

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

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