Quartz (or Quartz 4) is a static-site generator that can transform an Obsidian vault into a website. It is an important part of what powers my own https://gs-brain.org/.

Quartz is a fast, batteries-included static-site generator that transforms Markdown content into fully functional websites. Thousands of students, developers, and teachers are already using Quartz to publish personal notes, wikis, and digital gardens to the web.