HoDoKu - HoDoKu is a sudoku helper written in Java and available in English and German.
CADMAPPER - Instant CAD files for any location on earth
Yasminoku - Sudoku game and solver totally written in DHTML.
DWGFREE - DWGFREE is an online platform that comes with a comprehensive collection of CAD blocks that can be downloaded without the need for registration.
Simple Sudoku - Freeware Sudoku Puzzle Maker and Solver
CAD-Earth - CAD-Earth is resourceful software that allows architecture to perform slope zone analysis and facilitates a wide range of alluring features.