VHDL 2008/93/87 simulator
Tools and libraries for use with systemc and verilog
A Toolkit for Designing Computers
FFT co-processor in Verilog based on the KISS FFT
Powerfull pre-processor
Library of Approximate Adders
VHDL Plugin for the Notepad++ Editor
Open Source Hardware For Industrial Automation
Bluespec SystemVerilog Eclipse Plugin
VHDL Design Tool - code generation and project management
Labcoat; the VHDL graphic emulator.