The best open source alternative to Onlook is WebStudio. If that doesn't suit you, we've compiled a ranked list of other open source Onlook alternatives to help you find a suitable replacement. Other interesting open source alternative to Onlook is Plasmic.
Onlook alternatives are mainly Low-Code/No-Code Platforms but may also be Frontend Development Tools or Website Builders. Browse these if you want a narrower list of alternatives or looking for a specific functionality of Onlook.
Powerful no-code platform for building responsive websites. Combines visual editing with full HTML/CSS customization.

WebStudio revolutionizes web development by bridging the gap between visual design and code-level control. This innovative platform empowers both designers and developers to create stunning, responsive websites without compromising on flexibility or performance.
Key benefits of WebStudio include:
WebStudio is perfect for freelancers, agencies, and in-house teams looking to streamline their web development process. Whether you're building a simple landing page or a complex web application, WebStudio provides the tools and flexibility to bring your vision to life efficiently and professionally.
Looking for open source alternatives to other popular services? Check out other posts in the alternatives series and openalternative.co, a directory of open source software with filters for tags and alternatives for easy browsing and discovery.
Create, customize, and deploy web interfaces without coding. Seamlessly integrate with your tech stack for efficient development.

Plasmic is a powerful visual builder that revolutionizes web development by enabling designers and developers to create stunning, customizable web experiences without writing code. This innovative platform bridges the gap between design and development, offering a seamless workflow that accelerates project delivery.
Key benefits of Plasmic include:
Plasmic's versatility makes it ideal for creating marketing pages, product interfaces, and entire websites. By combining the power of visual design with the flexibility of code integration, Plasmic accelerates development cycles and enables teams to bring their creative visions to life with unprecedented speed and precision.