Open Source Tools

6 Best Open Source Alternatives to Webflow

6 open source alternatives100% OSI-approved licensesUpdated June 2026

Webflow earned its following by letting designers build production sites visually and still ship clean, semantic HTML and CSS - no template lottery, real control over the box model, and a CMS bolted on for content. For marketing sites and portfolios it removes a lot of front-end grind. Where it pinches is ownership and cost: the work lives inside Webflow's editor and hosting, the generated code is something you look at more than truly take with you, and the moment a project needs CMS items, more pages, or a custom domain at scale, the plan tiers and per-site fees start defining what you can build.

The open source alternatives below keep the visual canvas - drag to lay out, style without writing CSS by hand - but treat the output as yours from the start. You export or self-host clean static code, deploy it on any host you like, and the builder itself runs on infrastructure you control instead of a subscription that gates pages and publishing.

GrapesJS logo

1.GrapesJS

25.9kOtherTypeScript Self-host
GrapesJS screenshot

GrapesJS is a free and open source web builder framework for building HTML templates for sites, newsletters, and mobile apps. It is designed mainly to be used inside a CMS, where users need to create dynamic templates made from HTML structure, CSS style, and variables rendered later by the application.

  • Build HTML templates for sites, newsletters, and mobile apps
  • Local and remote storage options
  • Built-in commands for creating and managing components
  • Webpage, newsletter, and MJML newsletter presets
More about GrapesJSVisit website
WordPress logo

2.WordPress

21.2kOtherPHP Self-host
WordPress screenshot

WordPress is open source software for creating a website, blog, or app. It is a semantic personal publishing platform and CMS that you install on a web host, then manage through wp-admin in a browser. The installer creates the configuration file with database connection details and sets up the tables needed for the site.

  • Browser-based installer for wp-config.php and database tables
  • Automatic updater in wp-admin/update-core.php
  • Manual upgrade path through wp-admin/upgrade.php
  • Import tools for migrating from other systems
More about WordPressVisit website
Webstudio logo

3.Webstudio

8.6kAGPL-3.0TypeScript Self-host
Webstudio screenshot

Webstudio is an open source visual development platform for developers, designers, and cross-functional teams. It is built for creating websites while keeping the data, components, and infrastructure under your control, with a hosted version available or the option to roll out your own.

  • Visual editor with access to every CSS property and value
  • Reusable styles and design tokens without writing classes
  • Connects to any headless CMS
  • You own the data, components, and infrastructure
More about WebstudioVisit website
Webiny logo

4.Webiny

8kOtherTypeScript Self-host
Webiny screenshot

Webiny is a self-hosted content platform that deploys into your own AWS account on serverless services. It is a TypeScript framework you extend with code rather than a closed product configured through a UI, which fits teams that need data ownership, compliance control, or a CMS embedded inside their own product.

  • Custom content models with a GraphQL API
  • Field-level permissions, localization, and versioning
  • Drag-and-drop page editor with a Next.js SDK
  • File manager with folders, tags, search, and CDN delivery
More about WebinyVisit website
Microweber logo

5.Microweber

3.4kMITHTML Self-host
Microweber screenshot

Microweber is a drag-and-drop website builder and content management system based on PHP and the Laravel framework. It is built to create websites, online stores, and blogs without technical expertise, with a focus on visual editing and content management.

  • Drag-and-drop editing for images, text, videos, modules, and layouts
  • Real-time text editing in Live Edit view
  • Pages, posts, and products with custom categories
  • Built-in e-commerce features for online shops
More about MicroweberVisit website
Silex logo

6.Silex

2.8kAGPL-3.0JavaScript Self-host
Silex screenshot

Silex is a free/libre visual website builder for creating static sites. It solves the lock-in problem common in no-code tools by letting you design visually, export clean HTML and CSS, and host the result anywhere. It is built for people who want a website they can keep, move, and edit without a proprietary format.

  • Drag-and-drop editor with HTML, CSS, and JS editing
  • Static HTML output for hosting anywhere
  • CMS integration with WordPress, Strapi, Squidex, or GraphQL APIs
  • 11ty-compatible templates for static site generation
More about SilexVisit website

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