ZwCAD
This is an AutoCAD alternative for all CAD users.
CoCreate Modeling Personal Edition
If you have read about explicit, geometry-based 3D CAD, you know it is the best approach for creating flexible, lightweight...
progeCAD Professional
progeCAD IntelliCAD Includes AutoCAD DWG files, the files you work with everyday! Industry standard AutoCAD Commands.
Ace Translator
This makes use of online translation engines to translate any text in to one of 12 different languages.
AutoTable
This is designed to provide AutoCAD (LT)/MicroStation users a more convenient way working together with Excel.