Internet

Ltt.rs
Simple and maintainable Android e-mail client

openHAB
Vendor and technology agnostic open source home automation

Vertretungsplan.io - free substitution plan App
Just view the substition plan

Trojan-Go Plugin - SagerNet
The universal proxy toolchain for Android

HABPanelViewer

Gotify
A client for receiving push notifications

aTox
aTox, a beautiful and modern Tox client

Fritter
A free, open-source Twitter client.

Diode
Interact with Reddit

NC Passwords
A password manager app for Nextcloud's Passwords app

Anchr for Android
Anchr is a manager for all your important bookmarks and link collections

Yggdrasil
The application for connecting to Yggdrasil network on Android

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

ForPDA
Client for 4pda.ru

OCReader
Reader for Nextcloud news

aFreeRDP
FreeRDP is a free remote desktop protocol client

Based Cooking
Simple, ad free, open source recipe app.

MetaGer Search
Android app for the German search engine MetaGer

lemmur
A mobile client for lemmy - a federated reddit alternative

Nextcloud Deck
Companion app for Nextcloud Deck

Chiver
Minimalistic theCHIVE galleries browser

Meteocool - Rain radar
Free & Open High-Accuracy Local Weather Radar and Forecasting

IRMA
Authentication made easy, privacy-friendly, and secure

Warpinator for Android (unofficial)
Share files across local network

FreshRSS
Client for FreshRSS (https://www.freshrss.org/)

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

Tiny Tiny RSS
Client to connect to TinyTinyRSS

Pluvia Weather
A free & open-source weather app with beautiful animations. Ad-Free.

Toadua
The collaborative Toaq dictionary

taz.app klassisch
Reader for e-paper subscribers of german daily newspaper "taz, die tageszeitung"