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Silex vs Webflow: catalog facts
Silex	Webflow
Free Free and open source under the AGPL with all features included and no premium tier.	Freemium Free to start, with paid site plans and enterprise plans through sales.
Web, Self-hosted	Web
Exports standard static HTML and CSS with no lock-in Visual editor with full CSS control	Detailed visual control over layout Built-in CMS and hosting
Desktop app was still announced as coming soon Smaller template and plugin ecosystem than commercial builders	Steeper learning curve than simple template builders Sites are tied to Webflow hosting
Web application, Self-hosted	Web application, Hosted service
Open source	Closed source
License: AGPL-3.0	License not stated
Not stated if an account is needed	Account needed
Not stated if it works offline	Needs internet
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked September 26, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.