RomanPolunin.OrgChart.Net (nuget): A fast, robust and easily extensible organization chart layout library without any 3-rd party dependencies. Designed specifically to compute arrangement of rectangular boxes and connectors,  for use by applications which represent hierarchical organizational structures in a user-friendly manner. MIT License.
Keywords: orgchart|chart|organizational|diagram|wpf|universal|html5|javascript|js|html|chart-layout|hierarchy|visual