# ReoGrid (open-source office app)

> ReoGrid is a free, open-source office app for Windows. Fast and powerful.NET spreadsheet component, support data format, freeze, outline, formula calculation, chart, script execution and etc. It has 1,605 GitHub stars and is released under the MIT license. Its source code is on GitHub at unvell/ReoGrid.

Fast and powerful open-source.NET spreadsheet component for building Excel-like experiences in WinForms and WPF applications.

## Key facts

| Fact | Value |
|---|---|
| Repository | https://github.com/unvell/ReoGrid |
| Platforms | Windows |
| Interface | desktop GUI |
| GitHub stars | 1,605 |
| License | MIT (open source) |
| Replaces | n/a |
| Language | C# |
| Website | https://reogrid.net |
| Official | yes (published by the project behind the app) |
| Category | Office & spreadsheets |
| Latest release | v3.3.0 (Jun 5, 2025) |
| Last commit | Sep 3, 2026 |

## Install

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

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