Visual Mathematics 

Visual Mathematics, is a Mathematical Visualizer (containing -at least- 67 modules) to learn more and better in less time. Enjoy learning!!! . Get to really Understand what you Study !!!
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NonoGrid 

NonoGrid is a puzzle game that lets you play and solve nonograms/griddlers on your computer. Nonograms are logic puzzles, in which you need to uncover a picture consisting of black and white squares.
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PuzzleJig 

PuzzleJig is the jigsaw puzzle game for Windows. You can choose any number of pieces, with or without rotation and create puzzle from bitmap and jpeg files.Features include load and save the game, resizable window of puzzles and help with solving.
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Crosswords 

Software bundle for solving, editing and making of crosswords. It consists of three separate programs, two of which are completely free and only making of crossword by combining words is shareware. Crosswords can have any number of JPG pictures.
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Iban 

- Want to know who is or owns an ip address or domain? - Search worldwide for interesting domains. - Hear when a line breaks down/is up. - Know why you can not reach a domain. - Solve internet problems from your desk. - New: Reports printable
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Lexterity 

Lexterity is a word game where you fill a grid with letters, based on crossword making rules. Single player logical word game, suitable for all ages.
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