Appsmith provides a drag-and-drop interface for building internal business applications without writing extensive frontend code. It connects to PostgreSQL, MySQL, MongoDB, REST APIs, GraphQL, Google Sheets, Airtable, and dozens of other data sources out of the box.
The platform includes 45+ pre-built UI widgets, a JavaScript-based query and transformation layer, Git-based version control, and role-based access control. It can be self-hosted on any infrastructure using Docker or Kubernetes, giving organizations full control over their data.
Appsmith is open source under the Apache 2.0 license. The self-hosted Community Edition is free with unlimited users and apps. Appsmith Cloud offers a free tier and Business plan at $40/user/month with additional features.