Budibase

Internal Tools Open source

An open-source low-code platform for building internal tools, portals, and approval flows fast.

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About

What is Budibase?

Budibase is a fast-growing open-source low-code platform that enables teams to build internal tools, admin panels, approval flows, and customer portals in minutes. It provides a drag-and-drop UI builder, a built-in database, and flexible connectors to PostgreSQL, MySQL, MongoDB, REST APIs, Airtable, and more. Budibase supports custom JavaScript and Python, built-in automations, and both cloud and self-hosted deployments — making it the top open-source alternative to Retool for teams that want flexibility without vendor lock-in.

Pros & Cons

Pros

  • Fully open-source and self-hostable with Docker
  • Built-in database for apps without an existing data source
  • Connects to PostgreSQL, MySQL, MongoDB, REST, Airtable, and more
  • Custom JavaScript and Python support for advanced logic
  • Built-in automations with triggers, actions, and cron scheduling
  • Role-based access control with granular permissions
  • No per-user pricing when self-hosted

Cons

  • UI customization less flexible than Retool for pixel-perfect layouts
  • Plugin ecosystem still smaller than commercial alternatives
  • Mobile responsiveness requires manual configuration
  • Advanced enterprise features on paid cloud plans only
  • Complex multi-step automations can feel clunky

Use Cases

Building employee approval workflows for HR and finance Creating admin dashboards for customer operations teams Building CRUD apps on top of existing databases Replacing spreadsheet-based internal processes Self-hosted internal tooling for data-sensitive organizations
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