FreeHDL - http://www.freehdl.seul.org/
Project to develop a GPL VHDL simulator for Linux. |
GHDL - http://ghdl.free.fr/
A VHDL simulator and implements nearly all VHDL87 and some features of VHDL93. GHDL is written in Ada95 and it is a GCC front-end. [Open source, GPL] |
Leonardo Spectrum - http://www.exemplar.com/leonardospectrum/
A synthesys tool, which will optimize your ASIC/FPGA/CPLD design. Evaluation license is available. |
Synopsys Logic Synthesis - http://www.synopsys.com/products/logic/logic.html
VHDL Compiler |
VHDL Simili - http://www.symphonyeda.com/products.htm
A fast VHDL Compiler/Simulator [Freeware]. |