# Scalar: Free Open Source Alternative to Mintlify, Testfully

Canonical: https://caniforkit.com/fork/scalar
Last updated: 2026-11-07

Scalar (Open Source, Open Source) replaces Mintlify, Testfully. Scalar is an open-source tool for building, customizing, and hosting interactive API documentation with OpenAPI support.

## Tool Specifications
- **Tool Name**: Scalar
- **Type**: Open Source Project
- **License**: Open Source
- **Official Website**: https://scalar.com
- **GitHub Repository**: https://github.com/scalar/scalar
- **GitHub Stars**: ★ 16.4k
- **Runs On**: Self-host
- **Maintenance Status**: nov 2026
- **Platforms**: web, self-hosted, docker to self-host
- **Data Storage**: All application data and configuration live on your own server or local database.
- **Installation**: Clone https://github.com/scalar/scalar or deploy with Docker Compose
- **Setup Requirements**: Deploy via Docker or binary release from GitHub and configure environment variables.
- **The Catch / Limitation**: Requires self-hosting setup, updates, and server maintenance compared to managed Mintlify.

## Paid SaaS Applications Replaced (2)
Replacing these paid tools with Scalar saves up to $40/mo ($480/yr) in software subscriptions:

| Replaced Software | Category | SaaS Price | Comparison Guide |
| --- | --- | --- | --- |
| [Mintlify](https://caniforkit.com/mintlify) | [forms](https://caniforkit.com/category/forms) | $15/mo | [Compare Mintlify vs Scalar](https://caniforkit.com/vs/mintlify-vs-scalar) |
| [Testfully](https://caniforkit.com/testfully) | [dev tools](https://caniforkit.com/category/dev-tools) | $25/mo | [Compare Testfully vs Scalar](https://caniforkit.com/vs/testfully-vs-scalar) |

## Frequently Asked Questions

### Is Scalar free and open source?
Scalar is an open source tool licensed under Open Source that runs on self-host. Scalar is an open-source tool for building, customizing, and hosting interactive API documentation with OpenAPI support.

### What is the trade-off or limitation of using Scalar?
Requires self-hosting setup, updates, and server maintenance compared to managed Mintlify.

## Related

- [Self-Hosted Open Source Directory](https://caniforkit.com/self-hosted)
- [All Paid SaaS Alternatives Index](https://caniforkit.com/alternatives)
- [Software Categories Directory](https://caniforkit.com/categories)
- [Homepage](https://caniforkit.com)