I'm involved in a few open source projects, all related to EPiServer products.
Page Type Builder is a plug-in for EPiServer CMS that allows developers to define EPiServer page types in code which eliminates the need to synchronize page types between different servers. As page types are declared in code it also enables inheritance between page types and strongly typed property access. You can read more about Page Type Builder on it's CodePlex site and under posts tagged with paged type builder.
EPiAbstractions provides facades for many of the classes in EPiServers products which enable it's users to decouple their code from the concrete implementations and thereby gaining the ability to unit test code that otherwise would depend on the concrete implementations. You can read more about EPiAbstraction on it's CodePlex site and under posts tagged with epiabstractions.
EPiMVP is a project for using EPiServer CMS with the ASP.NET Web Forms MVP project.
While this site is my personal blog and homepage it is also an open source project, kindly sponsored with software by EPiServer. With it I aim to expand the "EPiSphere" with another set of templates, albeit for a blog. You are very welcome to download the source code from the projects CodePlex site.
While I've done all of the coding myself (with some inspiration and code samples from Pro ASP.NET Framework) I have had some great help with the design from Robert Piirainen and Anders Adlén (the illustrations and CSS for the header).
The site uses some great frameworks and plug-ins, namely:
This blog is built with EPiServer Community, EPiServer CMS, ASP.NET MVC and a bunch of other great products. The source code is available for download at the projects page, where you also can read more about this site and my other projects.
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