Caramella - A clean, modern blogging platform without the fuss
BootStarters - Huge open source collection of free themes for Bootstrap 5
Medium - Welcome to Medium, a place to read, write, and interact with the stories that matter most to you.
Carrd - Simple, responsive one-page site creator.
Ghost - Ghost is a fully open source, adaptable platform for building and running a modern online publication. We power blogs, magazines and journalists from Zappos to Sky News.
HackerThemes - Bootstrap 4 themes and tools for web developers