Silex

Open-source visual builder for standards-based static sites — own your tools.

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Added Jul 2026

silex.me

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What is Silex?

Silex is a free, open-source visual builder for creating static websites with standards-based design principles. It combines a visual editor, CMS integration (WordPress, Strapi, Supabase, and custom APIs), and included hosting in one platform. Designed for web professionals, agencies, freelancers, and students, Silex enables building fast, accessible, SEO-optimized sites while maintaining full ownership and control without vendor lock-in.

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Key Features of Silex

Visual editor for static site design
CMS integration (WordPress, Strapi, Supabase, custom APIs)
Hosting included
Dynamic data editing capabilities
Free and open-source
Self-hosting available
Desktop app (coming soon)
Offline-first with local AI integration (planned)

Who Should Use Silex?

Build multiple client websites for agencies

Create visually stunning blogs with CMS-managed content

Develop small business websites with dynamic data

Build e-commerce websites with third-party CMS

Learn web design and development

Scale freelance web work with templates

Silex: Pros & Cons

✓Pros

Completely free and open-source with no investors or exit risk
Included hosting — no separate hosting costs
Full control and ownership of your tools and data
Standards-based approach ensures longevity
Supported by European open-source community (OW2)
NGI0 Commons Fund backed
Templates available for agencies and freelancers
Integrates with popular CMS platforms

✕Cons

Not ideal if you need zero learning curve
Not suitable for sites needing to launch in 10 minutes
Desktop app not yet available
Some features still under development (templates, desktop version)

Frequently Asked Questions about Silex

What is Silex?

Silex is a free, open-source visual builder for creating static websites. It includes a visual editor, CMS integration, and hosting all in one platform.

How much does Silex cost?

Silex is completely free and open-source. There are no subscription fees or hidden costs.

Which CMS platforms does Silex integrate with?

Silex integrates with WordPress, Strapi, Supabase, Squidex, and custom APIs.

Who should use Silex?

Silex is best for web professionals, agencies, freelancers, and students building multiple sites. It may not be ideal if you need a site live in minutes with no learning curve.

Can I self-host Silex?

Yes, Silex is open-source and can be self-hosted at any time.