Please tell me the best and leading open source freeware for the following purposes:
1. CAD/CAM modeling software. Program should be possible to export as IGES and it should be proper for industrial design purposes - solidmodeler and surface modeler.
2. Rendering software
3. 2D vector grafics program...something which replaces the Adope illustrator
4. Scanner software
5. CD burning software
6. Program to test vehicle aerodynamics
7. Winrar replacement for Linux
I know that GIMP should be best image manipulator...are there any better or lesser attemps?