If you are currently at the stage of selecting the engine for your blog, then perhaps this brief overview will help you.
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DasBlog - uses XML files to store all its data, which helps migration and simplifies updating (ASP.NET 2.0).
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SubText - a powerful and flexible engine. It is written in C # and uses SQl Server as a data source (a slightly modified look of this engine is used in Chinese MySpace).
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BlogEngine.net - can use either SQL Server or an XML file for the data source.
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Wordpress - needs no introduction ...
Source:
Coding4fun