Sketchup (Free 2017 Version)

A great general CAD program with lots of custom add-ons depending on project needs.  Very intuitive to use.

Mobirise Static Web Site Editor (Free)

Great and flexible web editing meets static web speeds and CDN off loading of the web server.

Firebase Hosting (Free)

Select the theme that suits you. Each theme in the Mobirise Website Software contains a set of unique blocks.