Appsmith

Internal Tools Open source

An open-source low-code platform for building internal tools, admin panels, and dashboards.

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About

What is Appsmith?

Appsmith is the leading open-source low-code platform for building internal tools, admin panels, and business dashboards. With a drag-and-drop UI builder, 45+ pre-built widgets, and deep integrations with databases and REST/GraphQL APIs, Appsmith enables development teams to build and ship internal applications in days. Its open-source nature means teams can self-host for full data control, and the JavaScript-everywhere approach gives developers the flexibility to handle any custom logic.

Pros & Cons

Pros

  • Fully open-source — self-hostable with no per-user pricing
  • 45+ pre-built widgets for building rich UIs quickly
  • JavaScript everywhere — write custom logic in any field
  • Git version control integration for team collaboration
  • Granular RBAC for controlling who sees and edits what
  • Connects to PostgreSQL, MongoDB, REST, GraphQL, and 30+ more
  • Active community with regular feature updates

Cons

  • Less polished UI compared to Retool for non-developers
  • Mobile responsiveness requires manual configuration
  • Some advanced features only available on paid Business plan
  • Performance can slow down with many widgets on a single page
  • Template library smaller than Retool

Use Cases

Building customer support admin panels Creating data dashboards connected to internal databases Building approval and review workflows for operations teams Replacing spreadsheets with visual internal tools Teams needing a self-hosted Retool alternative
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