EDA

Open Source Tools

Alliance VLSI CAD System
CGEN Cpu tools GENerator
Chipmunk
Electric (see also the Static Free Software web site)
Emacs VHDL Mode by Reto Zimmermann
gEDA
GHDL, a VHDL simulator based on GCC
Signs, a VHDL synthesis tool
GTKWave waveform viewer
Icarus Verilog
OCEAN sea-of-gates design software
- manual
Oregano scehmatic capture and front end for Spice simulator
PCB
SAVANT VHDL simulation system
- SAVANT download
- older versions: SAVANT, TyVIS, and WARPED
TkGate digital circuit simulator
tlogsim logic circuit simulator
XCircuit
Brusey20 state machine synthesis, VHDL from state diagrams
PICA VHDL simulator (scroll down)

Symphony EDA's VHDL Simili, a VHDL simulator. Now offers a GUI interface; original command-line version is still available at no charge.
CadSoft EAGLE (commercial, but a free version is available for evaluation or non-profit use)
Xilinx on Linux HOWTO

(source code is available at no charge, but license terms prohibit some uses or redistribution)

Last updated October 27, 2005