Contour contrib shares several DataSourceTypes, FieldTypes, PrevalueTypes and WorkflowTypes for Umbraco Contour.Don't forget to vote
if you like this project.
Check out the Documentation tab
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The source of the RestContour package (http://our.umbraco.org/projects/website-utilities/cultiv-restcontour) is rolled into this project as well, as it extends Contour in an important way. It will still be a seperate package as I think most people won't need both together.