Arduino
- An open source electronics prototyping platform based on flexible, easy-to-use hardware and software. It's intended for artists, designers, hobbyists, and anyone interested in creating interactive objects or environments.
Covered - Verilog Code Coverage Analyzer
- A Verilog code coverage analysis tool that can be useful for determining how well a diagnostic test suite is covering the design under test.
Gerbv - A Free Gerber Viewer
- A utility for displaying CAD files that are used in the manufacture of electronic printed circuit boards. It is one of the utilities affiliated with the gEDA project.
Gnucap Home Page - The Gnu Circuit Analysis Package
- A general purpose circuit simulator; performs nonlinear dc and transient analyses, fourier analysis, and ac analysis. It is fully interactive and command driven; can be run in batch mode and as a server.
Kicad
- Software for the creation of electronic schematic diagrams and printed circuit board artwork. Available in several languages.
OPENCORES
- Open source hardware; news and a database of free EDA software and circuit designs.
PCB - Printed Circuit Board Layout Tool
- An interactive printed circuit board editor for the X11 window system. It can produce industry standard RS-274-X and Excellon NC-Drill format output for submission to board manufacturers. Latest stable release on 2008-02-02.
The gEDA Project
- A GPL'd suite of tools used for electrical circuit design, schematic capture, simulation, prototyping, and production.
Vutrax Electronics CAD
- An electronics schematic and PCB (Printed Circuit Board) design package for Linux (and other platforms); latest version is 13.0b, 2006-09-03. N.B.: This is freeware.
XCircuit
- A UNIX/X11 circuit drawing application with schematic capture. Latest stable release is 3.4.26, 2006-06-14.