.DSN

.DSN file extension

This is the basic program to work with .DSN extension

Proteus

Proteus Schematic Design

Proteus combines ease-of-use with powerful features to help you design, test and layout professional PCBs. Main features: - 800 microcontroller variants ready for simulation straight from the schematic. - The Advanced Simulation Features product adds graph based analyses to your Proteus circuit simulation... (more)

The program works with the following extensions: rgn, dsn, lyt and sdf

.DSN extension is also supported by the following programs:

OrCADĀ® Capture

OrCADĀ® Capture OrCAD Capture Component Information System 9.00

TinyCAD

TinyCAD TinyCad Document

Draw electrical circuit diagrams and PCB netlist files.
Proteus PCB design

Proteus PCB design Schematic Design

Proteus PCB design combines the ISIS schematic capture and ARES PCB layout.
Proteus 6 Lite

Proteus 6 Lite Schematic Design

Proteus 6 Professional

Proteus 6 Professional Schematic Design