https://zapier.com/blog/best-website-builders/
Google Sites is a basic site builder with limited customization options and zero SEO tools. That's fine if you're a beginner or just want to ...

https://www.reddit.com/r/homelab/comments/1dtmx0j/best_open_source_free_website_builder_software/
You can try Webstudio. It's open source and selfhosting is completely free. It features a website builder, CMS, SEO, etc.

https://www.makingthatwebsite.com/free-website-builder-with-custom-domain/
Many website builders, like Wix and Weebly, let you create a website for free, but if you want to use a custom domain, you'll need to upgrade to ...