KiCAD Layout Editor
Eagle Layout Editor
Eagle 3D
POV-Ray
Schaeffer Front Panel Designer
Google SketchUp 3D
InkScape Vector Graphics Editor
http://www.electronics2000.co.uk/ Electronics Assistant Calculators
http://www.miscel.dk/ MiscEl Miscellaneous Electronics Calculators
Linear Technology Corporation LTspice/SwitcherCAD III Circuit Emulator
Sun Java RE You need this to use MIOS Studio
Adobe Acrobat Reader
PDF X-change PDF Reader Nicer than Adobe's reader
PDF Creator
Microsoft Internet Explorer
StrokeIt Mouse Gesture Recognition