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950+ free, open-source Android apps — and growing.
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Oppia
Free, friendly lessons that work even without internet
Firefly Mobile
A mobile companion for your Firefly III finances
Stratum
Your two-factor codes, backed up properly
FairEmail
An email app built around privacy
Retro Music Player
A beautiful player for the music on your phone
Key Mapper
Make your phone's buttons do what you want
PianOli
A piano for babies that can't dial anyone
Open Surge
A colourful platformer you can also build levels for
Material Files
A clean, capable file manager
Change Detection
Get notified the moment a website you follow changes
Minds
A social network that rewards openness, not ads
Stack
Browse Stack Overflow without the clutter
Weather Radar
Live doppler radar images for tracking storms
VLC
Play any video or music file, period
Gotify
Push notifications from your own server
Auditor
Check that your Android phone hasn't been tampered with
Alkaa
A tidy task list with categories
XVII
A clean, ad-free app for the VK social network
Matchimals
Match cute animal pairs in this card game
UltraStar Play
Sing along and score your karaoke performance
Metadata Remover
Strip hidden details out of your photos
Unciv
Build an empire in a tiny, free strategy game
LogcatReader
Read your phone's system log
Music Player
A dependable player for your own songs