You can download packages from the Downloads section.
The version number is the wrapped Awesomium version and the release of the wrapper. Example: Awesomium.CApi.NET-1.6.4.1.zip wraps Awesomium 1.6.4 and is the first release (.1) of the wrapper. As of version 1.6.5.3, the download packages are binary-only packages. The source code is in the trunk.
See also:
[Progress] [Using the Code] [Documentation] [Licensing]
Wiki: Documentation
Wiki: Licensing
Wiki: Progress
Wiki: Using the Code
Wiki: Welcome to Awesomium.CApi.NET