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.
DonorSnap - DonorSnap is a donor management and fundraising software.
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.
NetSuite for Nonprofits - NetSuite for Nonprofits is a cloud-based donor management system for your nonprofit or social organization.
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
iMIS - iMIS membership & fundraising software from ASI: An upgradeable software solution allowing you...
Froont - Design responsive landing pages, publications, microsites without code