Appsmith — #1 Alternative to Retool

Name: Appsmith
Rating: 4.89 (1645 reviews)

Apache-2.0 open-source internal tool builder with 45+ SQL/API connectors and Git sync

Drag-and-drop tables, forms, charts, and inline JavaScript bindings running inside a single self-hosted Docker container with unlimited free internal users.

License: Apache-2.0 · Pricing: Open Core · Compare all Retool alternatives · Official Website