Budibase is an open source low-code platform for building internal tools, business apps, and admin panels — a self-hosted Retool and Microsoft Power Apps alternative that connects to your databases and APIs, or its own built-in database, on a drag-and-drop canvas.

What is Budibase?

Budibase is an open source low-code platform that lets teams build internal tools, business apps, and admin panels without writing much code. You connect a data source — an external database, a REST API, a spreadsheet, or Budibase’s own built-in database — and lay out tables, forms, and dashboards on a drag-and-drop canvas, then self-host the result or run it on Budibase Cloud.

What is Budibase best for?

Budibase is best for developers and operations teams who need to spin up internal apps fast — CRUD dashboards, approval workflows, admin panels, and data-entry forms over data they already have. It suits organizations that want to self-host on their own infrastructure for data-residency or cost reasons, rather than paying per seat for a hosted tool.

What can Budibase do?

Connect to many data sources — PostgreSQL, MySQL, MS SQL Server, MongoDB, Oracle, REST APIs, Google Sheets, Airtable, and more, alongside a built-in database (BudibaseDB) with fields, linked records, and relationships.
Drag-and-drop UI builder with prebuilt components — tables, forms, charts, and layouts — plus theming and custom branding.
Automations — trigger-and-action workflows (on record change, on schedule, via webhook) to send emails, update records, or call external services.
Built-in forms for internal data collection, complete with validation and field-level permissions.
Self-host anywhere via Docker, Docker Compose, Kubernetes, DigitalOcean, or Portainer.
Role-based access control to scope who can see and edit each app and its data.
AI agents and automations that connect to model providers like OpenAI, Anthropic, and Mistral to act on your data (a newer focus of the platform).

Where does Budibase fall short?

Built for internal tools, not consumer-facing products. Budibase targets admin panels and back-office apps; public, customer-facing sites and mobile app-store distribution are awkward and better served by other tools.
Costs climb as you add creators and end users. The managed cloud tiers meter usage and gate SSO, audit logs, backups, and custom branding to higher plans, so a growing team can get expensive quickly — a common complaint in reviews.
Enterprise features sit behind a non-open license. Core Budibase is GPL v3, but features like SSO enforcement, SCIM, and audit logs are licensed under the Business Source License and require a paid enterprise plan even when self-hosted.

Is Budibase free?

Yes — the self-hosted Open Source edition is free and gives you unlimited apps, automations, users, and actions. It’s open-core: the free tier covers the core builder and runtime, while a paid self-hosted Enterprise plan (custom pricing) adds SSO enforcement, SCIM, backups, environment variables, and audit logs. Managed Budibase Cloud runs from $19/month (Pro) up to $299/month (Business), with custom Enterprise pricing.

What does Budibase replace?

Budibase is a self-hosted, open source alternative to Retool and Microsoft Power Apps for building internal tools, and it overlaps with Airtable for teams that mainly need a database-backed app with forms and views. Among open source options it sits close to Appsmith, with Budibase leaning more on its own built-in database and Baserow covering the spreadsheet-database side.

FAQ

Is Budibase open source? Yes. The core is GPL v3 and the client components are MPL-licensed, with the source on GitHub. Some enterprise features are licensed separately under the Business Source License.

Can I self-host Budibase for free? Yes. The Open Source edition self-hosts for free via Docker, Kubernetes, or one-click deploys, with unlimited apps and users and community support. You only pay if you need enterprise features like SSO enforcement, SCIM, or audit logs.

Is Budibase a good Retool alternative? For internal tools where you want to self-host and avoid per-seat pricing, yes. It matches Retool’s core pattern — connect a data source, build a UI, add automations. Retool has a larger component ecosystem and more polish, so evaluate both against your specific data sources.

What do I need to run Budibase? A server or VM running Docker (or a Kubernetes cluster). Budibase ships as Docker images with an included database and object storage, so a single Docker Compose file is enough to get a working self-hosted instance.