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BetterOpenSource

Budibase vs Windmill

A side-by-side comparison of two open-source tools to help you choose the right one.

Feature
SummaryLow-code apps and workflows in minutes.Turn scripts into workflows and UIs.
GitHub stars24K13K
LicenseGPL 3.0AGPL 3.0
LanguageSvelteRust
PricingFree & Open SourceFree & Open Source
Self-hostable
ReplacesRetool, AirtableZapier, Retool
Rating4.4 / 54.5 / 5

Budibase features

  • Built-in database or external connections
  • Drag-and-drop app designer
  • Automations and workflows
  • Forms and approval flows
  • Self-hosted with SSO

Windmill features

  • Run scripts in Python, TS, Go, and Bash
  • Compose flows from scripts
  • Auto-generated UIs and apps
  • Cron scheduling and webhooks
  • Blazing-fast Rust execution engine

Budibasepros & cons

Pros

  • Very fast app creation
  • Internal DB lowers setup friction
  • Clean automations builder

Cons

  • Less flexible than code-first tools
  • Some connectors are premium

Windmillpros & cons

Pros

  • Great for developer-led automation
  • Fast and resource-efficient
  • Scripts, flows, and apps in one

Cons

  • Code-first approach not for everyone
  • Steeper than pure no-code tools

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