I created a few nice looking websites with the free version of RocketCake - it it very easy to use and simply gets out of the way. It has all the options I need and you can create complicated stuff with mostly a few clicks.
Webflow - Build dynamic, responsive websites in your browser. Launch with a click. Or export your squeaky-clean code to host wherever you'd like. Discover the professional website builder made for designers.
Inkscape - Inkscape is a free, open source professional vector graphics editor for Windows, Mac OS X and Linux.
WiX - Create a free website with Wix.com. Customize with Wix' website builder, no coding skills needed. Choose a design, begin customizing and be online today
Sketch - Professional digital design for Mac.
Froont - Design responsive landing pages, publications, microsites without code
Adobe Illustrator - Adobe Illustrator is a vector graphics editor.