Top 10 open source alternatives to Webflow in 2025

As more professionals and businesses seek open-source solutions for website building and content management, 2025 has seen the rise of various powerful alternatives to Webflow. This article explores the top 10 open-source alternatives, detailing key features and data points to help you make an informed decision.

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1. Webstudio

Key Features:
Visual CSS editing with full control.
Ability to connect to any backend API.
Reusable styles without classes.
Responsive design with custom breakpoints.
Self-hostable with no vendor lock-in.
License: AGPL-3.0 Explore Webstudio

2. WordPress (with Gutenberg/Block Themes)

Key Features:
Block-based editing system.
Vast library of themes and plugins.
Highly customizable and flexible.
Strong community support.
Scalable for different website sizes.
License: GPLv2 Learn more about WordPress

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3. Silex

Key Features:
No-code drag-and-drop interface.
Live website creation and editing in the browser.
Complete design freedom.
Free and open-source.
Suitable for both simple and complex sites.
License: MIT License Discover Silex

4. Strapi

Key Features:
Full customization options.
API-first architecture.
Self-hostable, ensuring data ownership.
Plugin ecosystem.
GraphQL support.
License: MIT License Learn more about Strapi

5. Gutenberg (WordPress Block Editor)

Key Features:
Block-based interface for layout design.
Deep integration with WordPress.
Customizable content blocks.
Full control over all website elements.
License: GPLv2 Explore Gutenberg

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6. Webiny

Key Features:
Open-source and customizable.
Serverless architecture.
Headless CMS capabilities.
GraphQL API.
Plugin system for extending functionality.
License: MIT License Discover Webiny

7. Umbraco

Key Features:
Advanced Media Management.
Third-Party Integration.
High Scalability.
Customizable.
Open source.
License: MIT License Learn more about Umbraco

8. Ghost

Key Features:
Open-source platform.
Built-in SEO tools.
Customizable themes.
Native membership.
SaaS subscription features.
License: MIT License Explore Ghost

9. Plasmic

Key Features:
Open source, visual builder.
Works with React.
Flexible and customizable.
License: MIT License Discover Plasmic

10. Builder.io

Key Features:
Open source.
Drag and drop interface.
Headless CMS.
Can integrate with any framework.
License: MIT License Learn more about Builder.io

Disclaimer: I have tried my best to ensure the accuracy of this data based on the sources available. However, features and details may change, so please refer to the official websites for the most up-to-date information.

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FAQ

1. What is Webstudio?

Webstudio is an open-source visual website builder that allows users full control over CSS properties, units, and breakpoints without needing to code. It can be connected to any backend or CMS. Learn more about Webstudio

2. How does WordPress with Gutenberg and block themes work as a Webflow alternative?

WordPress offers a block-based editing system with its Gutenberg editor, providing a visual, drag-and-drop website building experience. It's highly customizable and flexible, suitable for different website sizes. Discover WordPress with Gutenberg

3. What are the main features of Silex?

Silex is a free and open-source no-code website builder that offers complete design freedom with a drag-and-drop interface. It allows for live website creation and editing directly in the browser. Explore Silex

4. What is Strapi and its key capabilities?

Strapi is an open-source, self-hosted headless CMS that provides full customization options and an API-first architecture. It supports GraphQL and has a plugin ecosystem for extended functionality. Learn more about Strapi

5. How does Gutenberg serve as a website builder in WordPress?

Gutenberg offers a block-based interface integrated with WordPress, allowing users to design and customize various website elements efficiently. Discover Gutenberg

6. How does Webiny differentiate from other CMS options?

Webiny is an open-source serverless CMS that offers headless CMS capabilities, a GraphQL API, and a plugin system for extending its functionality. It allows for easy customization and deployment. Learn more about Webiny

7. What sets Umbraco apart as a CMS platform?

Umbraco is an open-source CMS offering high scalability, advanced media management, and seamless third-party integration. It's highly customizable and developer-friendly. Explore Umbraco

8. What is Ghost best used for?

Ghost is an open-source headless CMS ideal for bloggers and content creators. It comes with built-in SEO tools, customizable themes, and native membership options, making it perfect for content management. Discover Ghost

9. How does Plasmic function as a visual builder?

Plasmic is an open-source visual builder for React, allowing users to design pages and apps visually while integrating seamlessly with React's flexible and customizable features. Learn more about Plasmic

10. What makes Builder.io a versatile CMS option?

Builder.io is an open-source headless CMS with a drag-and-drop interface, making it easy to design web pages without coding. It can integrate with various frameworks, offering strong flexibility for developers. Explore Builder.io

About the Author

Violetta Bonenkamp, also known as MeanCEO, is an experienced startup founder with an impressive educational background including an MBA and four other higher education degrees. She has over 20 years of work experience across multiple countries, including 5 years as a solopreneur and serial entrepreneur. She’s been living, studying and working in many countries around the globe and her extensive multicultural experience has influenced her immensely.

Violetta is a true multiple specialist who has built expertise in Linguistics, Education, Business Management, Blockchain, Entrepreneurship, Intellectual Property, Game Design, AI, SEO, Digital Marketing, cyber security and zero code automations. Her extensive educational journey includes a Master of Arts in Linguistics and Education, an Advanced Master in Linguistics from Belgium (2006-2007), an MBA from Blekinge Institute of Technology in Sweden (2006-2008), and an Erasmus Mundus joint program European Master of Higher Education from universities in Norway, Finland, and Portugal (2009).

She is the founder of Fe/male Switch, a startup game that encourages women to enter STEM fields, and also leads CADChain, and multiple other projects like the Directory of 1,000 Startup Cities with a proprietary MeanCEO Index that ranks cities for female entrepreneurs. Violetta created the "gamepreneurship" methodology, which forms the scientific basis of her startup game. She also builds a lot of SEO tools for startups. Her achievements include being named one of the top 100 women in Europe by EU Startups in 2022 and being nominated for Impact Person of the year at the Dutch Blockchain Week. She is an author with Sifted and a speaker at different Universities. Recently she published a book on Startup Idea Validation the right way: from zero to first customers and beyond and launched a Directory of 1,500+ websites for startups to list themselves in order to gain traction and build backlinks.

For the past several years Violetta has been living between the Netherlands and Malta, while also regularly traveling to different destinations around the globe, usually due to her entrepreneurial activities. This has led her to start writing about different locations and amenities from the POV of an entrepreneur. Here’s her recent article about the best hotels in Italy to work from.

About the Publication

Fe/male Switch is an innovative startup platform designed to empower women entrepreneurs through an immersive, game-like experience. Founded in 2020 during the pandemic "without any funding and without any code," this non-profit initiative has evolved into a comprehensive educational tool for aspiring female entrepreneurs.The platform was co-founded by Violetta Shishkina-Bonenkamp, who serves as CEO and one of the lead authors of the Startup News branch.

Mission and Purpose

Fe/male Switch Foundation was created to address the gender gap in the tech and entrepreneurship space. The platform aims to skill-up future female tech leaders and empower them to create resilient and innovative tech startups through what they call "gamepreneurship". By putting players in a virtual startup village where they must survive and thrive, the startup game allows women to test their entrepreneurial abilities without financial risk.

Key Features

The platform offers a unique blend of news, resources,learning, networking, and practical application within a supportive, female-focused environment:

Skill Lab: Micro-modules covering essential startup skills
Virtual Startup Building: Create or join startups and tackle real-world challenges
AI Co-founder (PlayPal): Guides users through the startup process
SANDBOX: A testing environment for idea validation before launch
Wellness Integration: Virtual activities to balance work and self-care
Marketplace: Buy or sell expert sessions and tutorials

Impact and Growth

Since its inception, Fe/male Switch has shown impressive growth:

3,000+ female entrepreneurs in the community
100+ startup tools built
5,000+ pieces of articles and news written

Partnerships

Fe/male Switch has formed strategic partnerships to enhance its offerings. In January 2022, it teamed up with global website builder Tilda to provide free access to website building tools and mentorship services for Fe/male Switch participants.

Recognition

Fe/male Switch has received media attention for its innovative approach to closing the gender gap in tech entrepreneurship. The platform has been featured in various publications highlighting its unique "play to learn and earn" model.