Internet

Geometric Weather
A lightweight, powerful, open-source Material Design weather app.

Critical Maps
Critical mass location sharing and chat

NewPipe
Lightweight YouTube frontend

PasteBin
Client application for Ubuntu pastebin

MetalabDoorWidget
Door status at Metalab Vienna

Trireme for Deluge
Deluge thin client

NextTracks
A tracking app that doesn't compromise privacy.

Librem Social
Federated social network alternative

kSync
Automatically sync your contacts and calendars

Hypezig
Offline-compatible browser for cultural events in Leipzig

FOSS Weather
Get weather information from several webservices

campfire
Bandcamp client

TTRSS-Reader
An RSS reader for Tiny Tiny RSS

Public IP
App and Widget allowing user to find its current public IP address

NoFb Event Scraper
Import Facebook-Events to the calendar

Aria2Android (open source)
Aria2Android allows you to run your own aria2 server on your device!

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

AusweisApp2
ePerso mit dem Handy nutzen

OpenVPN for Android
OpenVPN without root

Movim
Decentralized Social Network

eBooks
Search for books you like and download them in multiple formats.

Net Monitor (Privacy Friendly)
Shows network connections of installed apps

ImgurViewer
A little image viewer to open image and video links from external applications.

FOSS Browser
Browse the web

Shaarlier
Share links on Shaarli

LabCoat
GitLab client

ESBDirect
Access substitution plans

Better Schedule (Bakaláři)
A faster schedule for Bakaláři. For students, by students.

ForPDA
Client for 4pda.ru

spaRSS DecSync
Sync RSS without a server using DecSync