.DSN

.DSN file extension

This is the basic program to work with .DSN extension

Proteus

ProteusSchematic 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® CaptureOrCAD Capture Component Information System 9.00

TinyCAD

TinyCADTinyCad Document

You can design and export circuit diagrams to PCB applications.
Proteus PCB design

Proteus PCB designSchematic Design

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

Proteus 6 LiteSchematic Design

Proteus 6 Professional

Proteus 6 ProfessionalSchematic Design