# Mockoon: Free Open Source Alternative to Testfully

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

Mockoon (Open Source, Open Source) replaces Testfully. Create, run, and share mock REST APIs without coding. Boost productivity with an intuitive interface and powerful features.

## Tool Specifications
- **Tool Name**: Mockoon
- **Type**: Open Source Project
- **License**: Open Source
- **Official Website**: https://mockoon.com
- **GitHub Repository**: https://github.com/mockoon/mockoon
- **GitHub Stars**: ★ 8.5k
- **Runs On**: Local
- **Maintenance Status**: nov 2026
- **Platforms**: desktop, cross-platform, one-click install
- **Data Storage**: All application data lives locally on your own machine.
- **Installation**: Clone https://github.com/mockoon/mockoon or deploy with Docker Compose
- **Setup Requirements**: Download the native package or installer for your operating system.
- **The Catch / Limitation**: Community-driven open source project without dedicated enterprise SLAs.

## Paid SaaS Applications Replaced (1)
Replacing these paid tools with Mockoon saves up to $25/mo ($300/yr) in software subscriptions:

| Replaced Software | Category | SaaS Price | Comparison Guide |
| --- | --- | --- | --- |
| [Testfully](https://caniforkit.com/testfully) | [dev tools](https://caniforkit.com/category/dev-tools) | $25/mo | [Compare Testfully vs Mockoon](https://caniforkit.com/vs/testfully-vs-mockoon) |

## Frequently Asked Questions

### Is Mockoon free and open source?
Mockoon is an open source tool licensed under Open Source that runs on local. Create, run, and share mock REST APIs without coding. Boost productivity with an intuitive interface and powerful features.

### What is the trade-off or limitation of using Mockoon?
Community-driven open source project without dedicated enterprise SLAs.

## 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)