DiagramLite can be used in Silverlight applications to create and present workflow, flowchart and process diagrams, database entity-relationship diagrams, organizational, hierarchy and relationship charts, network schemes, graphs and trees.

ConnectCode Animator is an authoring software that helps you create stunning and interactive effects for your website using the Microsoft Silverlight platform. It is simple to use, fully featured, professional, and open source.

Automate web tasks like uploading, downloading, online marketing, click links and test websites. Browsing, form filling and data extraction can be recorded into an Internet macro. Supports all websites, including Flash, Java and Silverlight applets.

Visifire is a set of open source charts - powered by Microsoft Silverlight. With Visifire you can create and embed visually stunning animated Silverlight Charts within minutes. Visifire is easy to use and independent of the server side technology.

SilverSchedulerGo is a modern control for modern applications based on modern Microsoft Silverlight technology. Includes C# source code.

Sothink Quicker for Silverlight is a cutting edge, full-featured professional Silverlight Animation tool to create animation which can be played on Microsoft Silverlight platform. It supports Windows XP SP2/Server 2003/Vista.

First Cookie Manager supporting the new browser independent cookies (Flash Cookies, Silverlight Isolated Storage) together with conventional cookies of Internet Explorer, Firefox and many more browsers. Allows deleting, viewing, blocking and more.

It is powerful editor for JavaScript, XUL/XBL, Laszlo, Flex, SVG, Silverlight and Yahoo! Widget development. The JavaScript editor provides features like code completion and content outline that helps developers productively create JavaScript code.