No-code apps and databases
Retool alternatives
2 open-source projects that already do this job. Free to use - not free to run, which is what the numbers on the right are for.
The projects
Budibase/budibase★28,186 GitHub starslicence unclearLow-code platform for building internal apps with forms, data sources, automations, and user auth.Open on GitHub ↗nocobase/nocobase★23,577 GitHub starslicence unclearWYSIWYG no-code platform to build business apps with data models, UI pages, and workflows.Open on GitHub ↗
What you give up either way
- Large integrations catalog and prebuilt connectors
- Enterprise governance, audit logging, and fine-grained RBAC polish
- AI-assisted app generation and bundled AI credit management
- Proven scalability, observability, and vendor support
An open-source project doing the core job proves a replacement is possible. It does not prove it matches Retool, and it does not prove anyone has run it for a month. How we decide.