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.

The best open source alternative to Budibase is Webstudio. If that doesn't suit you, our users have ranked more than 50 alternatives to Budibase and 13 is open source so hopefully you can find a suitable replacement. Other interesting open source alternatives to Budibase are Frappe Builder, Appsmith, Onlook and REI3.
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.

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.




Appsmith is an open source framework to build admin panels, CRUD apps and workflows. Build everything you need, 10x faster.




REI3 is an open low-code application platform. Free for individuals and organizations, anyone can use REI3 to rapidly build multi-user applications.






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.


Saltcorn is a platform for building database web applications without writing a single line of code. Use the intuitive point-and-click, drag-and-drop user interface to build the whole application




SQLPage is an open-source low-code web application development framework. It allows users to build and deploy web applications quickly and easily using only simple SQL queries. SQLPage is compatible with multiple databases including SQLite, MySQL, and PostgreSQL, enabling...




ILLA is a robust open source low-code platform for developers to build internal tools. By using ILLA's library of Components and Actions, developers can save massive amounts of time on building tools.




Well-designed UI and much easier to use. Opensource can be much cheaper and more developers involved


Vratix offers a robust set of open source API modules that backend developers can reuse, copy and paste directly into their codebase, giving them full ownership, control and customization. Backend teams often write repetitive code when building services with shared...
I like REI3 as an alternative to Budibase because it is well thought-through, powerful and reliable.