diff --git a/dotnet-developer-projects.md b/dotnet-developer-projects.md
index 2c14561..185ccc7 100644
--- a/dotnet-developer-projects.md
+++ b/dotnet-developer-projects.md
@@ -83,6 +83,7 @@ Please sort projects alphabetically and provide a one-line description. GitHub/C
  * [FluentConsole](https://github.com/ashmind/FluentConsole) - Alternative approach to colored console (`FluentConsole.Red.Text().Green.Text()`).
  * [FluentValidation](https://github.com/JeremySkinner/FluentValidation) - A small validation library for .NET that uses a fluent interface and lambda expressions for building validation rules.
  * [GongSolutions.Wpf.DragDrop](https://github.com/punker76/gong-wpf-dragdrop) - A drag'n'drop framework for WPF.
+ * [GeckoFX](https://bitbucket.org/geckofx) - Mozilla's Gecko layout engine wrapper in .NET.
  * [HudlFfmpeg](https://github.com/hudl/HudlFfmpeg) - A/V transcoding framework that helps build complex FFmpeg commands.
  * [JSON.NET](http://json.net/) - Popular high-performance JSON framework for .NET
  * [Kentor.AuthServices](https://github.com/KentorIT/authservices) - A SAML2 Service Provider for .NET.