DSL Tools version of VSTS Work Item Type Designer
Darren Jefford has just published a post describing his tool to graphically edit Work Item Types in Team Foundation Server utilizing the VSIP add-in Domain Specific Languages (DSL).
https://blogs.msdn.com/darrenj/archive/2006/03/20/555821.aspx for additional information about the tool, https://www.gotdotnet.com/workspaces/workspace.aspx?id=d03b00f5-7c5d-4e29-86b5-b966a04e1ed7 to go to the tool's GotDotNet workspace.