Connectivity

DataStopwatch
Stopwatch, but for data usage

Impress Remote
Remote for presentations

Book Listing App
A simple app which lists all books from Google Books API

Rsync Server
A rsync server (alpha release)

Wi-Fi Reminders

Shadowsocks FOSS
A secure socks5 proxy, designed to protect your Internet traffic

USB-Dataloggerreader
Interface to USB dataloggers.

LG
Remote for device with ir.

FTP Server (Free)
Access your phone wirelessly

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

V2ray Plugin
A SIP003 V2ray plugin

Private DNS Quick Tile
Quickly toggle and configure Private DNS on Android 9.0+

Pi-hole Droid
Unofficial client that connects to your Pi-hole to show charts and statistics

Spider
This application enables you to connect to your SFTP server using a password or

xBrowserSync
Browser syncing as it should be: secure, anonymous and free!

dreamDroid
Control and streaming client for enigma2 based dreamboxes

DisasterRadio

CUPS Printing
Print directly from your handset

Syncopoli
An rsync client that works

FilmChecker
Checks the status of development orders.

Plug Off Airplane
Uses root to disable Airplane Mode when the device is plugged in via USB

Eventyay Attendee App
Events app to checkout nearby events

Badge Magic
Create Symbols and Text on LED Name Badges using Bluetooth

VPN Hotspot
Share your VPN connection over hotspot or repeater

Hue Widgets
Fast control of Philips Hue Lighting.

SleepyWifi
Disables the Wi-Fi when the phone is in sleep mode

36C3 Wifi Setup
Official NOC application for connecting to the 36C3 Wi-Fi

Controlloid
Turn your phone into a real game controller for PCs

Meshenger
An Open-Source P2P Messenger

Crazyflie Client
Control your Crazyflie quadcopter from your mobile device