CADE

CADE screenshots

A powerful 2D vector editor for Windows, including basic Visio functionality
Draw network - main window
CADE 2.6 : Draw network - main window

Alternative downloads

Microsoft Office Visio
16.0.11727.20244
Create flowcharts, network diagrams, floor plans, and other designs.
TinyCAD
2.90.0
FREE
Draw electrical circuit diagrams and PCB netlist files.
CADE Pro
2.20.3
CADE Pro supports the following DXF and DWG flavours.