Regarding the CMS aspect of Webflow, we're currently building out a techhnical documentation site utilizing a paid template.
However, we noticed that Rich Text elements in collections only really support text formatting, headings, and quotes--this greatly affects advanced CMS functionality, as content management (articles, documentation, etc.) is not only in those formats and available workarounds are VERY cumbersome.
A technical article may require blocks of code or tables embedded within the text.
A current example is a support request I submitted the other day (blocks of JSON throughout a Rich Text element). We're currently using quote formatting, which is not ideal: