Gramps, the open source genealogy program
Gramps is a genealogy program for Linux, Windows, Mac, and FreeBSD that allows you to easily build and keep track of your family tree. It supports the GEDCOM standard, allows fine grained privacy controls and can generate many different types of reports (descendant trees, graphs, connection diagrams, ....)
Educational Software for children aged 2 to 10.
GCompris is a high quality educational software suite comprising of numerous activities for children aged 2 to 10. Some of the activities are game oriented, but nonetheless still educational.
TuxWordSmith uses XDXF dictionaries to play in 88 languages
Similar to the classic word game 'Scrabble', but with unicode support for multiple languages and character sets. The game is currently distributed with eighty-eight (88) dictionary resources for playing Language[i]-Language[j] 'Scrabble'. For example, if configured to use the French-English dictionary, then the distribution of available tiles will be computed based on frequency of occurance of each character of Language[i] (French), and for each submission the corresponding definition will be given in Language[j] (English).