15
University of Colorado
430
Freeware
Build circuits with resistors, light bulbs, batteries, and switches.
Circuit Magic
32
Shareware
Circuit Magic is an electrical circuits simulation program.
335
New Wave Concepts Limited
9,823
Shareware
Combines circuit design, simulation and CAD manufacture to realize projects.
21
University of Colorado
94
Freeware
Fun, interactive, research-based simulations of physical phenomena.
8
the Qucs team
3,037
Open source
Quite Universal Circuit Simulator is an integrated circuit simulator.
13
Richard P. Andresen
1,143
Shareware
Use analog circuit simulation for the professional circuit designer.
3
ABB
326
Freeware
Air circuit breakers can be used both as circuit-breakers for general protection.
27
Matt Pyne
6,398
Open source
Draw electrical circuit diagrams and PCB netlist files.
25
Moeller Software
258
Shareware
EASY-SOFT is a graphic editor for representation of the circuit diagram.
203
Cadence Design Systems, Inc
15,039
Freeware
PSpice Student is an analog circuit simulator designed for students.
31
KiCad Developers Team
13,650
Open source
You can create schematic diagrams or printed circuit board with up to 16 layers.
100
ExpressPCB
16,260
Freeware
Create simple or complex layouts for printed circuit boards.
13
Sunstone Circuits
1,217
Freeware
Handle and design complex printed circuit board effortlessly.
1
Design Master Software, Inc.
4
Commercial
draw receptacles/equipment/calculate circuit loads/panel loads/voltage.
