Internet

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

Ocelot
Lichat client

Tutanota
Encrypted email & calendar service - easy to use, secure by design.

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

Jami
Secure and distributed communication platform

WireGuard
Next generation secure VPN network tunnel

baresip
VoIP User Agent app for Android based on baresip SIP library

baresip+
VoIP User Agent app for Android based on baresip SIP library

WebApps Sandboxed Browser
WebApps turns mobi/web app sites into secure apps! Open source.

Nextcloud
Synchronization client

Nextcloud Dev
Synchronization client

Tusky
A multi account client for the social network Mastodon

AusweisApp2
ePerso mit dem Handy nutzen

InstaLate
Online dictionary that doesn't require you to switch apps by hand.
MultiVNC
VNC viewer that aims to be easy to use and fast

BiglyBT, Torrent Downloader
Ad-free, open source torrenting for phone, tablet, Chromebook, & Android TV

DAVx⁵
CalDAV/CardDAV Synchronization and Client

RadarWeather
Lets you watch the weather for cities and locations you are interested in.

Snikket
Snikket is an easy-to-use and privacy-friendly messaging app

openHAB Beta
Vendor and technology agnostic open source home automation

Fennec F-Droid
Browse the web

NetGuard
A simple way to block access to the internet per application

FairEmail
Fully featured email client. Neat, intuitive user interface. Privacy friendly

OCReader
Reader for Nextcloud news

Weather
Small Weather App with data from OpenWeatherMap.org

K-9 Mail
Full-featured email client

PCAPdroid
Capture traffic on Android devices and send the PCAP via UDP without root

Midori
lightweight, fast and free web browser for Android

Element (previously Riot.im)
Secure decentralised chat & VoIP. Keep your data safe from third parties.

SchildiChat
Secure messenger for Matrix with a traditional instant messaging experience