can i fork it?
open sourceOpen SourceSelf-host★ 16.4kactive nov 2026

Scalar

Scalar is an open-source tool for building, customizing, and hosting interactive API documentation with OpenAPI support.

Technical Profile & Specs

verified 2026-11-07

Cost
$0 / forever (Open Source)
License
Open Source
Hosting Model
Self-host (your server)
Platforms
webself-hosteddocker to self-host
Installation
Clone https://github.com/scalar/scalar or deploy with Docker Compose
Operational Setup
Deploy via Docker or binary release from GitHub and configure environment variables.
Where Your Data Lives
All application data and configuration live on your own server or local database.
The Catch / Trade-off
Requires self-hosting setup, updates, and server maintenance compared to managed Mintlify.

Replaces 2 paid apps

up to $40/mo ($480/yr) in subscriptions

Scalar FAQ

Common 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 paid software does Scalar replace?+

Scalar serves as a free replacement for 2 paid SaaS applications: Mintlify, Testfully, saving up to $40/month ($480/year) in subscription bills.

How do you install and set up Scalar?+

Installation: Clone https://github.com/scalar/scalar or deploy with Docker Compose. Setup notes: Deploy via Docker or binary release from GitHub and configure environment variables.

What is the catch or trade-off with Scalar?+

Requires self-hosting setup, updates, and server maintenance compared to managed Mintlify.