# Mapsui (open-source science and GIS app)

> Mapsui is a free, open-source science and GIS app for Windows. Mapsui is a.NET Map component for: MAUI, Avalonia, Uno Platform, Blazor, WPF, WinUI, Windows Forms, Eto Forms,.NET for Android and.NET for iOS. It has 1,574 GitHub stars and is released under the MIT license.

Mapsui is a.NET Map component for: MAUI, Avalonia, Uno Platform, Blazor, WPF, WinUI, Windows Forms, Eto Forms,.NET for Android and.NET for iOS

## Key facts

| Fact | Value |
|---|---|
| Repository | https://github.com/Mapsui/Mapsui |
| Platforms | Windows |
| Interface | desktop GUI |
| GitHub stars | 1,574 |
| License | MIT (open source) |
| Replaces | n/a |
| Language | C# |
| Website | https://mapsui.com |
| Official | no |
| Category | Science, GIS & engineering |
| Latest release | 5.1.0 (May 27, 2026) |
| Last commit | Oct 2, 2026 |

## Install

Download a build for your system from the project's releases (https://github.com/Mapsui/Mapsui/releases) or website, or build it from source by following the README.

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