Computer program for single lines

[Gardner]

Anyone know of a good computer program for creating single line diagrams of power systems? For something like this for example:

 

[The Ghost]

What about ElectricalOM on the right of the screen?

 

[Dan]

Electrical design software - https://electricalom.com/site/index.php

 

[steve50]

what about this https://www.smartdraw.com

 

[telectrix]

gadwin diagram studio is good, and it's free.

 

[Gardner]

Thanks, I will check all of them out