# Mayo (open-source CAD and 3D modelling app)

> Mayo is a free, open-source CAD and 3D modelling app for Windows and Linux. 3D CAD viewer and converter based on Qt + OpenCascade. It has 2,279 GitHub stars and is released under the BSD-2-Clause license. Its source code is on GitHub at fougue/mayo.

Mayo the opensource 3D CAD viewer and converter For more details have a look at this fine review Introducing Mayo by Libre Arts There's also a complete video on YouTube

## Key facts

| Fact | Value |
|---|---|
| Repository | https://github.com/fougue/mayo |
| Platforms | Linux, Windows |
| Interface | desktop GUI |
| GitHub stars | 2,279 |
| License | BSD-2-Clause (open source) |
| Replaces | n/a |
| Language | C++ |
| Website | none listed |
| Official | no |
| Category | CAD & 3D modelling |
| Latest release | v0.10.0 (Jul 3, 2026) |
| Last commit | Oct 2, 2026 |

## Install

### winget (Windows)

```sh
winget install Fougue.Mayo
```

Package page: https://winstall.app/apps/Fougue.Mayo

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