Open Source C# User Interface (UI) Software

XOffice is a UI toolkit for developing cross-platform applications with the Microsoft Office style. XOffice provides an implementation of key MS Office UI components, including the new Ribbon component introduced in Office 2007.

a framework library with a template method interface and inheritable classes for an executable process design which produces an executable which is both a GUI and a console application. It provides multi-threading for work items of the provider process .

A multi-language IDE written entirely with C#.NET. My goals include giving developers a framework that will allow them to add new languages, provide diagramming services to support language modeling and visualization (eg UML Class Diagrams, etc).

Evolutility is a lightweight CRUD framework for heavy lifting. With a generic Web UI and an integrated micro ORM, Evolutility provides a framework for full CRUD and dashboard without any hand-coding. With it, you can build CRUD web applications or professional looking administration pages by defining metadata in XML (or in a database) instead of hand-coding HTML, Javascript, CSS, SQL, and C# or VB. For ASP.NET and SQLServer (partial support for MySQL).

GUIE (GUI Editor) provides a simple WYSIWYG GUI editor for many dynamic languages. Currently FarPy supports wxPython, wxRuby, wxPerl & IronPython!

IWE is a framework 2.0 web application that provides automatic web data entry for tables in a Microsoft SQL Server database. Just config the database connection string in the web.config file of the web site and that’s all, start editing your tables.

A framework for all-platform GUI-development based on completely separating business from presentation logic and introducing methods of abstraction that allow stepwise refinement of the GUI-definition.

A make file generator manager. written in C# but is currently being ported to C, C++ and python. Only windows supported at the time.

An open source project for Adobe Flex development using C# and platform SDK tools with syntax color highlighting, code hints and code completion helpers.

A ASP.NET MVC view engine. The syntax is based on JSTL with Tiles. SharpTiles offers you a fast, light weight and testable solution to create views.

XUL# is a c# library for writing web and stand-alone application with Mozilla XUL user interface. The same application can be hosted into ASP.NET or Windows.Form (or Mono) Language: C#, XUL, HTML

Generate css file from xml for themes or portal aliases. The source xml file contains a base css node and more versions, which contains only differents and the application replace, add or remove selectors or properties.