ModelSim
Synopsys VCS
Cadence Incisive
Riviera-PRO
gEDA Project
Logisim
VCS
Proteus PCB design
ACTS
libmv
VideoTrace
Cadence Incisive
TimeLineFX
Effekseer
3DEqualizer
Talos VFX
ModelSimSynopsys VCS - HDL Simulator of System Verilog, Verilog, and VHDL for ASIC design and verification.
libmv - libmv is a structure from motion library, which plans to one day take raw video footage or...
Cadence Incisive - System Verilog, Verilog, VHDL, SystemC HDL Simulator for ASIC Design and Verification
VideoTrace - VideoTrace is a system for interactively generating realistic 3D models of objects from...
Riviera-PRO - System Verilog, Verilog. VHDL, SystemC, HDL simulator targeting ASIC and large FPGA designs.
gEDA Project - All about General Public License (GPL) and Electronic Design Automation (EDA) software tools