DoudouLinux is a system specially designed for children 2 years and up. It is available as Live CDs and USB keys as well as ARM images. The main goals are to be as easy to use as a game console, provide as many kid-oriented applications as possible (currently around 50), drive small children into mastering computer use from age 2, be natively in child-friendly language without any action, be simple for Dad and Mom too (no administration, no updates; it’s a read-only system). It includes Web content filtering.
Dr. Higgins will teach you and help you teach yourself any language. It works like a quiz, asking you the translations of words and keeping score of your correctness. It includes a number of quizzes for self-study in different languages (English, Spanish, Finnish, and a bit of Japanese). It's very easy to add your own lists, thanks to a simple file format.
Voca is a vocabulary trainer for foreign languages. It allows you to create and manage your own word lists and share them online. You can make word lists for any language or for other things you want to memorize. It lets you do different types of exercises, including grammar, pronunciation, and picture tests. It lets you take tests with open answers, self-check, or multiple choice. Voca has support for multiple translations of a single word.
StatPlanet Map Maker is a program for creating interactive thematic maps and graphs. Data is read from an external file (.CSV) which can be easily edited. Customization options include specifying the zoom level, creation of selectable regions, changing the map colors, and adding country mouse-over text.
The GradeCalculator is a tool to calculate your personal final study grade (for a bachelor's or master's degree). The GradeCalculator helps you easily compute your average grades per semester, to monitor your academic performance, and to check your final grade calculated by the university. It's available in 15 different languages and can be customized for your university by editing XML files.
The Chemical Structures project aims to provide a complete set of 3D molecular structures in CML format. As CML format permits structural data and many properties to be included, each file also contains additional information, like molecular weight, boiling point, melting point, or InChI code. Data can be explored with a CML-aware software, like Jmol, or by using a Web browser.