System

DPixel
Convert density-independant/normal pixels

Move Certs!
Resolve certificates warnings

Lock Screen
Lock the screen

DeskCon
Integrate mobile devices with a desktop

FP1-EPO-Autoupdate
Automatically updates the EPO.DAT on the Fairphone

Mountie
Automount USB external storage

RingCode
Morse code notifications of incoming calls

FonBot
Control your device remotely

Rotation Manager
Set app specific orientations

Performance Control
System configuration

My App List
Ex- and import list of installed applications

Contact Merger
Index and merge contacts with Lucene

TPT Helper
Tools for ZTE phones

YAAB
Control screen brightness

Twisted Home Manager
Manage launchers

Squeez
Archive manager

WebSearch
Search the web from within apps

Silent Night
Auto disable sound on the night

Thermometer Extended
Thermometer in your pocket thanks to Thermometer Extended ad-free application.

Import Contacts
Restore contacts from a file

iFixit
iFixit: Gadget repair manual

AppBak
Back up list of installed apps

MMSKeeper
Switch data off and still allow MMS traffic

NetCounter
Bandwidth usage tracker

Color Namer
Names for colours

Fast Brightness Control Widget
Simple brightness widget

Random App
Launch a random app

Katana
Split files via a file manager

Brightness Widget
Change brightness on the homescreen

Mounts2SD
Map device storage to sdcard