For converting from and to SVG formats. (nyt)
Items marked with (nyt) indicate I have not yet tested it. I've heard
it's good (so it has made it on the list) but have not yet tested it
myself.
For electrical circuit schematics. (nyt)
Items marked with (nyt) indicate I have not yet tested it. I've heard
it's good (so it has made it on the list) but have not yet tested it
myself.
An excellent SVG drawing program. Results are fantastic. I use it extensively and will be adding content to this site that I have made with Inkscape.