About Appsmith
Appsmith is an open-source platform for building internal tools and business applications. It connects to databases and APIs, provides drag-and-drop UI widgets, and supports JavaScript for custom logic — offering a self-hostable alternative to Retool.
Key Features
- Drag-and-drop UI widgets
- Database connectors (PostgreSQL, MySQL, MongoDB, etc.)
- REST and GraphQL API integration
- JavaScript for custom logic
- Git version control
- Role-based access control
- Self-hostable (Docker, Kubernetes)
- Open-source (Apache 2.0)
Pros
- Open-source and free to self-host
- Similar power to Retool without the per-user cost
- Git-based version control
- Active community and frequent updates
Cons
- UI components are less polished than Retool
- Documentation can be inconsistent
- Cloud pricing still per-user
Integrations
PostgreSQLMySQLMongoDBREST APIsGraphQLS3
Best Use Cases
- Self-hosted internal tools
- Admin panels
- Database management UIs
- Approval and workflow tools
Quick Info
- Website
- www.appsmith.com
- Founded
- 2019
- Company
- 100-200
- Pricing
- freemium