Circuit Magic
32
Shareware
Circuit Magic is an electrical circuits simulation program.
3
Hot Time Software
13,350
Shareware
It's a software for the printer and parallel port.
15
University of Colorado
430
Freeware
Build circuits with resistors, light bulbs, batteries, and switches.
8
the Qucs team
3,037
Open source
Quite Universal Circuit Simulator is an integrated circuit simulator.
1
Global Relay Communications Inc
15
Freeware
Global Relay Messenger is a secure, closed-network instant messaging system.
1
COMATROL
49
Freeware
EasyValve allows you to proficiently create your hydraulic circuit schematic.
1
cometcad.com
40
Freeware
CometCAD is circuit schematic and layout editor program.
10
Advanced Systems for Power Engineering, Inc. (ASPEN)
108
Demo
A PC-based short circuit and relay coordination program for relay engineers.
56
Business Industrial Network
35
Shareware
Train and test electricians in relay logic and schematic comprehension.
Business Industrial Network
4
Shareware
To train and test electricians in relay logic and schematic comprehension.
31
KiCad Developers Team
13,594
Open source
You can create schematic diagrams or printed circuit board with up to 16 layers.
33
ABACOM
4,137
Shareware
sPlan is a software to design your schematic circuit diagrams easy and fast.
94
Labcenter Electronics
3
Freeware
The Proteus combines schematic capture, SPICE circuit simulation, and PCB design.
2
Bolin Software
16
Shareware
It consists of integrated schematic and printed circuit layout editors.
74
Serial Port Tool
9
Shareware
Programmable timer software to control ProXR relay controller boards.
