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1,400+ free, open-source Android apps — and growing.
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In testing
openCook
Photograph a cookbook page and get a recipe
openScale
Track your weight and body measurements over time
Open Track Editor
Edit your GPS tracks and routes right on your phone
Olvid
Encrypted messaging without a phone number
Hidroly
A gentle reminder to drink some water
Notally
A beautiful, minimal notes app
MineStableDiffusion
Make AI art on your phone, offline
Onloc
Track your own devices on your own server
PDF Unlocker
Remove PDF passwords privately, right on your phone
5G Switcher
Force your phone onto the network you want
Coffee
Keeps your screen awake while you need it
Jotter
A notes app that stays out of your way
OpenDocument Reader
Open Word, Excel and OpenOffice files on your phone
Open Food Facts
Scan a barcode to see what is really in your food
openHAB
Run your smart home from your phone
OpenIoTHub
Reach devices at home from anywhere
OpenList Mobile
Turn your phone into a file server for your other devices
OpenRCT2
Build and run your own theme park
Oppia
Free, friendly lessons that work even without internet
OpenSCQ30
Control Soundcore headphones without their app
Organic Maps
Offline maps that respect your privacy
Orgzly
Organize your notes and to-do lists with a simple outliner
OsmAnd
Super-detailed offline maps for adventurers
OSS Document Scanner
Scan documents and read the text on them