8
the Qucs team
3,049
Open source
Quite Universal Circuit Simulator is an integrated circuit simulator.
13
Richard P. Andresen
1,147
Shareware
Use analog circuit simulation for the professional circuit designer.
3
ABB
329
Freeware
Air circuit breakers can be used both as circuit-breakers for general protection.
4
Lindo Systems, Inc.
46
Demo
Powerful library of optimization solvers and mathematical programming tools.
88
Ben Di Vito
2
Freeware
Designed specifically for solvers of diagramless crossword puzzles.
Microsoft Research
Freeware
Z3 is an SMT solver that combines several theory solvers.
27
Matt Pyne
6,472
Open source
Draw electrical circuit diagrams and PCB netlist files.
25
Moeller Software
259
Shareware
EASY-SOFT is a graphic editor for representation of the circuit diagram.
203
Cadence Design Systems, Inc
15,161
Freeware
PSpice Student is an analog circuit simulator designed for students.