Open-source alternatives to Retool
5 open-source projects are offered as replacements for Retool. Tooljet is the most starred. Running one yourself trades the subscription for your own hosting and upkeep, so the table below leads with what decides that trade: whether the project is alive, what its licence lets a business do, and whether there is a container command to start from.
Side by side
Each one, briefly
Tooljet41,107 stars · network copyleft · activeOpen-source foundation of ToolJet AI - the enterprise app generation platform for internal tools, dashboards, business applications, workflows and AI agents. Build visually, from a prompt, or from Claude Code, Codex and Cursor over MCP 🚀
Appsmith41,084 stars · permissive · activePlatform to build admin panels, internal tools, and dashboards. Integrates with 25+ databases and any API.
Also replaces Appsheet, Powerapps
Budibase28,329 stars · not identified · activeAI agents, automations and apps that run your operations. Model agnostic.
Also replaces Powerapps
Illa12,328 stars · permissive · slowingLow-code platform allows you to build business apps, enables you to quickly create internal tools such as dashboard, crud app, admin panel, crm, cms, etc. Supports PostgreSQL, MySQL, Supabase, GraphQL, MongoDB, MSSQL, Rest API, Hugging Face, Redis, etc. Automate workflows with schedule or webhook. Open source Retool.
Also replaces Appsheet, Powerapps
Lowdefy3,012 stars · permissive · activeBuild apps that AI can generate, humans can review, and teams can maintain. Config that works between code and natural language.
Where this comes from
Which projects are offered against Retool comes from opensourcealternative.to, re-read weekly. Every figure in the table is read from the project’s own repository. We have not run these projects, and we hold no price for Retool. Browse every open-source alternative.