Appsmith

An open-source low-code platform for building custom applications using drag-and-drop UI widgets, database and API integrations, and JavaScript customization.

Contract group configuration interface showing name and country fields, a searchable contract group dropdown, and a preferences table with checkboxes and comments.

About Appsmith

Appsmith is an open-source low-code platform for building custom applications. Users can assemble user interfaces using drag-and-drop widgets, prompt widgets in natural language, or write custom widgets in JavaScript, HTML, and CSS. The platform connects to databases, SaaS tools, and REST or GraphQL APIs. Logic, data transformations, and workflows can be managed in a centralized IDE using JavaScript or natural language prompts. Appsmith supports version control and deployment through Git synchronization and CI/CD workflows, and it can be hosted in the cloud or self-hosted on internal infrastructure.

What you can do

Drag-and-drop UI assembly and custom widget creation
Broad data source and API connectivity
Centralized IDE for JavaScript logic and reusable code
Git synchronization and CI/CD workflow integration

Sources

Source information collected on 2026-09-20. Features and pricing may change.