Open Source Education & Language Apps

AnkiDroid

ankidroid/Anki-Android

Memorize anything with AnkiDroid!

RTranslator

niedev/RTranslator

Open source real-time translation app for Android that runs locally.

Wikipedia for iOS

wikimedia/wikipedia-ios

The official Wikipedia iOS app.

Wikipedia

wikimedia/apps-android-wikipedia

The official app for Wikipedia, the world’s largest source of information.

BOINC

BOINC/boinc

Use your device to advance scientific research.

PSLab

fossasia/pslab-app

Pocket Science Lab Android interface for PSLab hardware.

Translate You

you-apps/TranslateYou

Privacy focused translator app built with MD3.

Look4Sat

rt-bishop/Look4Sat

Satellite tracker and pass predictor for Android.

RF Analyzer (FOSS)

demantz/RFAnalyzer

Analyze RF signals on Android with HackRF, RTL-SDR, Airspy and HydraSDR.

Overlay Translator

ciddwd/overlay-translator

无需 ROOT 的开源 Android 屏幕实时翻译工具，适合游戏、视觉小说和漫画。支持端侧与云端 OCR、离线 LLM、多种翻译服务和文字朗读（TTS），译文可直接显示在画面上。Open-source no-root Android real-time screen translator for games, visual novels, and manga.

whoBIRD

woheller69/whoBIRD

Recognize birds by their sounds, anywhere in the world!

The Holy Quran App

mhmzdev/the-holy-quran-app

Holy Qur'an application developed via Flutter.

phyphox

phyphox/phyphox-android

Perform physics experiments with your phone.

Ciyue

mumu-lhl/Ciyue

A simple mdict dictionary.

freeCodeCamp

freeCodeCamp/mobile

freeCodeCamp's open-source mobile app - Learn to code from your mobile phone.

Aard 2

itkach/aard2-android

Aard2 for Android, a simple dictionary app.

DeepL

sakusaku3939/DeepLAndroid

Unofficial Android App for DeepL Translator.

gptAssist

woheller69/gptAssist

WebView wrapper for ChatGPT.

DanXi

DanXi-Dev/DanXi

Maybe the best all-rounded service app for Fudan University students.

QuickDic

rdoeffinger/Dictionary

Offline translation dictionary.

Bubble

woheller69/Level

Spirit level and ruler.

XDYou

BenderBlog/traintime_pda

Free and Open Source data assistant for XDU students.

Sugarizer

llaske/sugarizer

Use Sugar learning platform.

Metronome

Kr0oked/Metronome

A simple and elegant metronome.

freeDictionaryApp

yamin8000/freeDictionaryApp

a dictionary app for Free Dictionary API and Wiktionary API.

Celestia

celestiamobile/AndroidCelestia

3D interactive planetarium.

SimplyTranslate Mobile

ManeraKai/simplytranslate_mobile

A privacy friendly frontend to Google Translate.

Kakugo

blastrock/kakugo

Learn Japanese with Kakugo.

Notification Dictionary

tirkarthi/NotificationDictionary

An Android app to display meaning of the word as notification.

OSS-Dict

Akylas/OSS-Dict

Offline Dictionaries.

Metronome for Android

thetwom/toc2

A simple metronome app which helps you keep time when practicing music.

Open Ear

ShacharHarshuv/open-ear

ear training app for musicians.

Drinkable

MOIMOB/drinkable

Explore and create cocktails with ingredients from home.

HFUT-Schedule

Chiu-xaH/HFUT-Schedule

All-in-one school service app for Hefei University of Technology students.

AnyMemo

helloworld1/AnyMemo

Learn with Flashcards.

DEMOCRACY

demokratie-live/democracy-client

Dein virtuelles Bundestagsmandat.

NoiseCapture

Universite-Gustave-Eiffel/NoiseCapture

NoiseCapture is an App dedicated to the measurement of environmental noise.

1List

lolo-io/OneList

Simple app to manage several lists from only one screen.

Smouldering Durtles

jerryhcooke/smouldering_durtles

A client for WaniKani, with advanced features built in and offline reviews!

Crazyflie Client

bitcraze/crazyflie-android-client

Control your Crazyflie quadcopter from your mobile device.

Nihonoari

aeri/Nihonoari-App

A little and minimalist Japanese Kana training.

Chronal

cognitivitydev/Chronal

Clean metronome & tuner with polyrhythms and notation editor.

Poet Assistant

caarmen/poet-assistant

Dictionary and TTS tools for editing poems.

Graded

NightDreamGames/Graded

Track and manage your school grades with ease.