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Get smarter — 60+ apps, all free and open source.
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Wikipedia
The official app for the free encyclopedia
Kiwix
Wikipedia in your pocket, no internet needed
Medito
Meditation and sleep sessions, free forever
Firebird
Run a TI-Nspire calculator on your phone
Kanji Dojo
Practise writing Japanese characters
Oppia
Free, friendly lessons that work even without internet
Hoshi Reader
Read Japanese books and look up any word instantly
BetterUntis
A nicer app for your school timetable
Git Coach
Learn git commands without breaking anything
Szkolny
Check your Polish school grades and timetable in one place
Free Dictionary
Look up word meanings using free, open dictionary data
Celestia
Fly around the real universe
Jiten
Look up Japanese words, kanji, and their meanings
PlantRecog
Point your camera at a plant to learn its name
Driftly
Keep an eye on your class attendance
Graded
Work out what your grades add up to
Schulrechner
The school calculator, on your phone
Flashcards
Study smarter with AI-assisted flashcards that stick
Aucards
Cards to show when speaking isn't possible
words.hk
Look up Cantonese words and their meanings
Algo Phantoms
Practice coding problems and learn data structures on your phone
Light Island Timetable
See your class schedule and keep it synced across devices
QuizFlow
Build word lists and study them as fun flashcard games
KBBI
The official Indonesian dictionary, right on your phone