Yesterday I had a request from a client for a network diagram for a system I’m designing, and normally I create such drawings as a PNG file. But this client said “no, I need it in Visio, or similar style so we can edit it”. I have avoided Microsoft Visio in the past, mainly because of its price tag: $249.99 for the basic version, and a whopping $999.99 for the premium version!**********************************snip********************************************* So I want to share “Dia”, short for “Diagram”. Its detailed, open source, and most importantly, free. It also has a community springing up that is adding shape...