740
The Document Foundation
416,776
Open source
Write documents and create presentations, databases, and spreadsheets.
15
University of Colorado
430
Freeware
Build circuits with resistors, light bulbs, batteries, and switches.
LibreOffice
2
Freeware
LibreOffice is the power-packed free, libre and open source personal.
LibreOffice
2
Freeware
Power-packed free,libre and open source personal productivity suite for Windows.
27
Matt Pyne
6,472
Open source
Draw electrical circuit diagrams and PCB netlist files.
1
Design Master Software, Inc.
4
Commercial
draw receptacles/equipment/calculate circuit loads/panel loads/voltage.
1
Capilano Computing Systems Ltd
193
With DesignWorks Lite you can draw professional circuit diagrams.
Catena Software Ltd.,Diodes Inc
58
Freeware
Allows you to draw a circuit which can be tested in simulation.
LibreOffice
Freeware
You are not recommended to use LibreOffice beta builds for "mission-critical".
LibreOffice
74
Freeware
LibreOffice is an open source project and you can therefore download.
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.
2
General CADD Products, Inc.
23
Shareware
Allows you to easily and accurately draw anything you might normally draw.
