HEATKEYS

International Electronic Discussion Forum: EDA software, circuits, schematics, books, theory, papers, asic, pld, 8051, DSP, Network, RF, Analog Design, PCB, Service Manuals

MathWorks is the world’s leading developer of technical computing software for engineers and scientists in industry, government, and education

LayoutEditor: A sophisticated program to design and edit layouts for MEMS/IC fabrication. It supports GDSII, CIF, OpenAccess, OASIS, DXF, and more file formats

LinkCAD CAD and PCB layout conversion for GDS II, DXF, CIF, Gerber, PostScript, AutoCAD, IE3D, Calma Stream file formats.

nanoHUB.org is designed to be a resource to the entire nanotechnology discovery and learning community.

The Math Forum is the comprehensive resource for math education on the Internet. Some features include a K-12 math expert help service, an extensive database of math sites, online resources for teaching and learning math, plus much more.

COMSOL Multiphysics is an engineering, design, and finite element analysis software environment for the modeling and simulation of any physics-based system.