Design electrical circuits for complex installations.
Circuit Magic is an electrical circuits simulation program.
University of Colorado
Build circuits with resistors, light bulbs, batteries, and switches.
the Qucs team
Quite Universal Circuit Simulator is an integrated circuit simulator.
iETS Server is an KNX/EIB interface component in the form of software.
McCAD Schematics is a sophisticated engineering database management system.
EasyValve allows you to proficiently create your hydraulic circuit schematic.
CometCAD is circuit schematic and layout editor program.
The EIB Suite project is a complete KNX integration suite.
KiCad Developers Team
You can create schematic diagrams or printed circuit board with up to 16 layers.
sPlan is a software to design your schematic circuit diagrams easy and fast.
The Proteus combines schematic capture, SPICE circuit simulation, and PCB design.
It consists of integrated schematic and printed circuit layout editors.