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Tooljet

Open-source low-code platform — build and deploy internal tools with minimal code.

freemiumopen sourceupdated Apr 21, 2026

ToolJet is an open-source low-code framework for building and deploying internal tools. Visual app builder with 50+ UI components, connects to databases, APIs, SaaS tools, and cloud storage. Supports JavaScript and Python. 30K+ GitHub stars. Self-hostable alternative to Retool.

ToolJet is an open-source low-code platform for building internal tools quickly. Its visual builder includes over 50 UI components — tables, charts, forms, maps, calendars, kanban boards — that connect to virtually any data source through built-in connectors.

The platform supports data connections to PostgreSQL, MySQL, MongoDB, Elasticsearch, REST APIs, GraphQL, Google Sheets, Stripe, Slack, Twilio, and many more. Custom JavaScript and Python transformations enable complex business logic. ToolJet also includes a built-in database for simple use cases.

ToolJet is open source under the AGPL v3 license. Self-hosted deployment is free with unlimited users. ToolJet Cloud offers a free tier and paid plans starting at $20/user/month.

Pricing

Self-hosted free (AGPL v3). Cloud free tier. Paid from $20/user/mo.

Platforms

Self-hosted on Docker, Kubernetes, AWS, GCP, Azure. Cloud managed. Browser-based.

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Comparisons

FAQ

What is Tooljet?

ToolJet is an open-source low-code framework for building and deploying internal tools. Visual app builder with 50+ UI components, connects to databases, APIs, SaaS tools, and cloud storage. Supports JavaScript and Python. 30K+ GitHub stars. Self-hostable alternative to Retool.

Is Tooljet free?

Tooljet offers a free tier alongside paid plans. Self-hosted free (AGPL v3). Cloud free tier. Paid from $20/user/mo.

Is Tooljet open source?

Yes — Tooljet is open source.

What are the best Tooljet alternatives?

The top editor-verified Tooljet alternatives are Khoj, Linear.