gEDA Project

The gEDA project has produced and continues working on a full GPL'd suite and toolkit of Electronic Design Automation tools. These tools are used for electrical circuit design, schematic capture, simulation, prototyping, and production.

Free Open Source Linux

CircuitLab

Sketch, simulate, and share your circuits, entirely in your browser -- no install required. Easy schematic capture and powerful SPICE-like, mixed-mode circuit simulation...

Commercial Web

Circuit Tree

Circuit Tree is a powerful, hardware design engine. FEATURES - Fully-automated electronic design capabilities - Design a custom, unique schematic solution in less...

Free Personal Web

Cadence Incisive

System Verilog, Verilog, VHDL, SystemC HDL Simulator for ASIC Design and Verification.

Commercial Linux

5spice

Spice based electronic circuit simulation and circuit analysis software. 5Spice has the analysis capabilities needed by experienced circuit designers while remaining...

Free Personal Windows

Riviera-PRO

System Verilog, Verilog. VHDL, SystemC, HDL simulator targeting ASIC and large FPGA designs. (Wrongfully supports crappy OVM and UVM legacy trash libraries and hardware...

Commercial Windows

Synopsys VCS

HDL Simulator of System Verilog, Verilog, and VHDL for ASIC design and verification.

Commercial Windows Linux