Learn new English words

Learn geography

A touch typing tutor

A mechanical calculator

Exercise Fractions

Interactive Geometry

Letter Order Game

Fitness and nutrition tracker

Hack Aesop’s fables

Easily find common schedule gaps

Learn about the planets

A simple open-source Quran reader

Plot and manipulate data

Formal languages testing

A note-taking application for those who prefer handwriting over typing

Look up definitions for words

Grading/marking client for the Plom online grading system

A multilingual offline dictionary

Visual touch-typing trainer

A calendar/planner for teachers and maybe students

Read and analyze GISAXS data stored in cbf format

Periodic Table of Elements

Dynamic geometry + automated proofs

Customizable clock widget

Study flashcards

Tell a story

Transform characters into binary

An experimental version of GeoGebra

Free Mersenne Prime Search Software

Desktop Planetarium