Science & Education

Periodical

Menstrual/period calendar

HAMtrainer

Study for the American HAM radio license exams

Evil Insult Generator

This is the greatest insults app you can get!

Wulkanowy

Client for the Polish school register VULCAN UONET+

unofficial Stud.IP-app

An unofficial app for Stud.IP systems.

Tuner

App for tuning musical instruments.

Linwood Dev-Doctor

A free, opensource, serverless learning platform. A linwood project.

The Kana Quiz

Learning Japanese? Test and train your knowledge in Hiragana or Katakana

Metronome

Simple metronome app which helps you keeping time when practicing music.

VocableTrainer

Learn vocables of foreign languages

WaniDoku

Improve your Japanese with WaniKani context sentences

Sugarizer

Use Sugar learning platform

QDict

A dictionary application for dictionaries in StarDict format.

Democracy Droid

Watch "Democracy Now The war and peace report"

Virtuosity

Organize and track your music practice

Unit Converter Ultimate

Convert between units with ease

Converter NOW

A simple, immediate and fast converter! ⚡

Planisphere

A simple star chart that shows stars, constellations and planets.

Geological Time Scale

Display the geological time scale of the Earth's history.

Jiten Japanese Dictionary [Online]

Japanese dictionary based on jmdict/kanjidic (online version)

Xournal++

A port of the main features of Xournal++ to various Flutter platforms like Andro

Nanji

JRPN 16c

Programmer's calculator similar to an HP 16c.

CEToolbox

Medical tool

GCompris

Multi-Activity Educational game for children 2 to 10

Password Store

Manage your passwords

Morse

Convert text into Morse code and vice-versa

TOTALOG

FLOSS Ham Radio logging app for small contests and portable operation.

Der Die Das

Android app for learning German nouns genders.

Buddha Quotes

A Free and Open Source Buddha Quotes app with a focus on privacy.