List of free electronics circuit simulators

Electronic circuit simulators distributed under a free software license are available from several sources and for several computing platforms.

Analog

• Electric VLSI Design System, used to draw schematics and lay out integrated circuits
• Oregano, Linux or BSD
• SPICE and variants

Digital

• KTechLab
• Logisim
• Logic Circuit

Mixed-signal (analog & digital)

• GNU Circuit Analysis Package (Gnucap)
• Ngspice, including online SPICE
• Quite Universal Circuit Simulator (Qucs)
• Xyce, capable of solving extremely large circuit problems from Sandia National Laboratories ^[1]

Simulators with proprietary licenses

• EasyEDA (Spice Circuit Simulator)
• CPU Sim
• Infineon Designer, free online, special version of TINAcloud licensed to Infineon Technologies
• LTspice, freeware, developed by Linear Technology
• Micro-Cap, student version free of charge
• SapWin
• TINA-TI, freeware, special version of TINA licensed to Texas Instruments

See also

• Comparison of EDA software

References