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
Open Source Budibase AlternativesWeb App Development Tools and other similar apps like Budibase
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 14 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.
Alternatives list
91 Webstudio alternatives
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.
+3
47 Appsmith alternativesAppsmith is an open source framework to build admin panels, CRUD apps and workflows. Build everything you need, 10x faster.
Cost / License
- Free Personal
- Open Source (Apache-2.0)
Platforms
- Self-Hosted
61 Onlook alternativesVisual editor for React web apps allowing designers to easily adjust layouts, colors, fonts, and text, then publish changes directly to GitHub without writing any code. Enables real-time sharing, previewing projects with others, and fits collaborative workflows.
16 REI3 alternativesREI3 is an open low-code application platform. Free for individuals and organizations, anyone can use REI3 to rapidly build multi-user applications.
Cost / License
- Free
- Open Source (MIT)
Platforms
- Windows
- Linux
- Online
- Self-Hosted
+8
32 Plasmic alternativesOpen-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.
38 ToolJet alternativesOpen-source low-code framework to build & deploy internal tools with minimal engineering effort.
Cost / License
- Freemium
- Open Source (AGPL-3.0)
Platforms
- Self-Hosted
- Software as a Service (SaaS)
20 Saltcorn alternativesSaltcorn 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
Cost / License
- Free
- Open Source (MIT)
Platforms
- Online
- Self-Hosted
+1
40 SQLPage alternativesSQLPage 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...
+3
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.
Cost / License
- Free
- Open Source (Apache-2.0)
Platforms
- Online
- Self-Hosted
+2
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...
Cost / License
- Free
- Open Source (MIT)
Platforms
- Self-Hosted
Open-source infrastructure for AI-coded internal apps and agents. One shared database, one auth layer, one deploy. Build with Claude Code, Cursor, or Codex or any AI coding tool.
Cost / License
- Freemium
- Open Source
Platforms
- Mac
- Windows
- Linux
- Online
- Software as a Service (SaaS)
India
Germany
EU
United Kingdom
Madagascar
Belgium
I like REI3 as an alternative to Budibase because it is well thought-through, powerful and reliable.