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1,550+ free, open-source Android apps, and growing.
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In testing
OGAM
Offline AI that chats, sees, speaks and draws
Oksigenia SOS
Send your GPS location by text when you're in trouble outdoors
Olauncher
A plain launcher that helps you use your phone less
Ollama App
A friendly phone remote for your Ollama server
OllamaServer
Run an Ollama AI server on your phone in one tap
OlliteRT
Turn your phone into a private AI server
Olvid
Encrypted messaging without a phone number
OMGSoundboard
Build your own soundboards and play sounds at the tap of a button
Omni
A compass, spirit level, ruler and flashlight in one app
Omni Notes
Write and organize notes without ads or tracking
OmniPrompt
One box that launches, searches and does
One Player
One app for all the music and video on your phone
One Second Diary
One second of video a day, stitched into a film
OnionShare
Share files straight from your phone over Tor
Onloc
Track your own devices on your own server
OONI Probe
Test whether websites and apps are blocked on your network
Open Android Backup
Back up your phone to your own computer
Open DroneLog
Analyse your DJI and Litchi drone flight logs, privately
Open Food Facts
Scan a barcode to see what is really in your food
Open Headunit
Turn a spare tablet into an Android Auto screen for your car
Open Link With
Choose which app opens your links, every time
Open Notes
A minimal note taking app
Open Surge
A colourful platformer you can also build levels for
Open Track Editor
Edit your GPS tracks and routes right on your phone