You probably heard that I upgraded the existing PartCover addin to support OpenCover, and last weekend I finished all the tasks. So now you can grab it and play with it from my fork,
https://github.com/lextm/SharpDevelop
The final action I need to do now is fax the signed JCA document to Austria and allow the team to take this contribution officially. Due to the two typhoons hitting eastern China today, I will have to wait till next Monday.
Hope you enjoy this addin and continue supporting both OpenCover and SharpDevelop.
Update: my changes are now part of SharpDevelop on its opencover branch.
https://github.com/icsharpcode/SharpDevelop/tree/opencover
Matt Ward will take further care of it. My fork will no longer be maintained.
Update Again: OpenCover addin is now officially part of SharpDevelop!
What a piece of wonderful news :)