Sure, Retool is awesome.

But what about these open source self-hostable alternatives?

You may want to check by yourself: Appsmith, Tooljet.


  1. Appsmith

    Internal tool builder

    ★ 34.7k Internal tool Low-code No-code License: Apache-2.0

    Organizations build internal applications such as dashboards, database GUIs, admin panels, approval apps, customer support dashboards, and more to help their teams perform day-to-day operations. Appsmith is an open-source tool that enables the rapid development of these internal apps.

  2. Tooljet

    A low-code platform for building internal tools

    ★ 33.2k Internal tool Low-code No-code License: AGPL-3.0

    ToolJet is an open-source low-code framework to build and deploy internal tools with minimal engineering effort. ToolJet's drag-and-drop frontend builder allows you to create complex, responsive frontends within minutes. Additionally, you can integrate various data sources, including databases like PostgreSQL, MongoDB, and Elasticsearch; API endpoints with OpenAPI spec and OAuth2 support; SaaS tools such as Stripe, Slack, Google Sheets, Airtable, and Notion; as well as object storage services like S3, GCS, and Minio, to fetch and write data.

    Tooljet dashboard showing inventory and orders