Learning
Get smarter: 60+ apps, all free and open source.
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Szkolny
Check your Polish school grades and timetable in one place
Atomic - Periodic Table
The periodic table, offline and in detail
Binaural Beats
Tone sessions for sleep, focus and relaxation
iNaturalist
Find out what plant or animal you just saw
Sugarizer
Dozens of learning activities for children, from the OLPC Sugar platform
Free Dictionary
Look up word meanings using free, open dictionary data
Celestia
Fly around the real universe
Arity
A scientific calculator that draws your functions
Jiten
Look up Japanese words, kanji, and their meanings
PlantRecog
Point your camera at a plant to learn its name
Learn
A simple picture-and-sound learning app for young children
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
Dharmik
Read the Bhagavad Gita with commentaries and audio
Turtle
Draw with Python-style code and watch a turtle trace your shapes
Aucards
Cards to show when speaking isn't possible
words.hk
Look up Cantonese words and their meanings
Bodhi Timer
A quiet full-screen countdown timer with meditation bell sounds
Dahdidahdit
Learn Morse code by ear, with lessons that adapt as you improve
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
Flash Deck
Make flash cards and quiz yourself until it sticks