Sites and apps similar to Builder.io include WordPress, which is open source with a free version. Other options are Webstudio, Silex, Frappe Builder and Pencil.dev. There's no shortage of Website Builders like Builder.io, with more than 50 alternatives for self-hosting, Mac, Windows, Android and iPhone.
Create a website or blog with open-source software focused on accessibility, ease of use, performance, and security. Minimal setup, powerful growth features, and a large community supporting democratization of publishing.
United States
Open source website builder that empowers creators to build highly maintainable and fast websites using modern web standards. Webstudio is an Open Source version of Webflow.
United States
Create and host your websites for free, with no subscriptions, no restrictions.
Build fast secure static websites as the front-end for your CMS of choice.
France
EU
Frappe Builder is an open-source low-code website builder built on the Frappe Framework, designed for simplicity, speed, and flexibility. Craft beautiful websites effortlessly with an intuitive visual builder.
India
Vector UI canvas inside IDEs and desktop apps for creating layouts, using infinite canvas, layers, design system components, Git-compatible .pen files, synced design tokens, and AI-driven UI generation from prompts, aligning code and design efficiently.
United States
Build custom websites using Webflow's platform with HTML, CSS, and JavaScript. Design, animate, collaborate, and host responsive sites, generating clean code. Users enjoy CMS integration for content, SEO control, and globalized experiences. Transform unstyled elements into reusable components.
United States
Full-stack TypeScript CMS built on Astro and Cloudflare featuring extensible architecture, sandboxed plugins in Worker isolates, WordPress migration, visual schema builder, role-based access, rich text editing, AI integration, media management, and open source deployment.
United States
Bootstrap Studio is an elegant and very easy to use web design tool for building websites using the renowned Bootstrap framework. With its intuitive, drag-and-drop interface, new users can easily get great designs in just moments.
BulgariaEU
Open-source visual editor enabling no-code website and app development, integration with any framework, WYSIWYG editing, dynamic content features, pre-designed UI component library, collaborative workflows, and rapid publishing for teams across disciplines.
United States
Solo will instantly compose a beautiful website so you can grow your business.
United States
Web-based AI platform enabling visual generation and refinement of UI components, layouts, and product flows, supports interactive code-backed prototypes, facilitates direct edits, shares designs for review, and imports Figma selections while preserving assets for prototyping and export.
Combines code-driven and visual editing workflows for interactive UI design, high-fidelity prototyping, real-time team collaboration, reusable components, inline commenting, mobile previews on Android/iOS, and smooth developer handoff for efficient workflow.
NetherlandsEU
