Webstudio

Webstudio is an open-source website builder offering full CSS control and headless CMS capabilities. Because it's open-source and runs on your own infrastructure, you have complete visibility into how your site is built and hosted, with no vendor lock-in.

It's a good fit for developers and technical teams who want a visual builder but don't want to surrender control of the code or infrastructure. Compared to Webflow, Webstudio gives you more freedom and lower long-term costs if you self-host, though it requires more technical setup.