Planetary, Lunar, and Stellar Visibility is a free program providing a 3-color diagram that shows when a planet, a star, the moon or the sun was or will be visible during any year from 3000 BC to ::More

Aspell is a free spell checker, that can be used as a library or as an independent spell checker. Its main feature is that it suggests possible replacements for a misspelled word. Aspell can also ::More

Anki is a free application that will help you remember things by exercising your memory. Anki is content-agnostic (can be used for any subject), and supports images, audio, videos and scientific ::More

Cooking Converter is a free and simple program that will let you convert measurements you might need in your cooking, when you try to understand a recipe — teaspoons into tablespoons, ::More

TypeTris is a a free typing trainer, but with all the joy of an absorbing arcade game. Touch typing (sometimes it is called also blind typing) is a way of typing without looking at the keyboard, ::More