The Server SDK is an ASP.NET/C# solution that can be used to completely customize individual Weavy components (both look and feel and functionality). It can also be used to add new components and/or extend Weavy with all kinds of new functionality such as custom Apps, Content Types, Daemons etc. Before learning how to develop with Weavy it could be useful to understand a bit more about the Weavy server architecture.