1)   Super 2d/3d Graph Library 10.4
Award-winning .NET library for 2d and 3d chart drawing. Can be used either as a Winform control or in ASP.NET web pages. Standard Edition only 79$. Royalty-free!
svg chart, PDF chart, scalable vector graphics, data visualization, data charts, 2d chart, 3d chart, 2d graph, 3d graph, pie chart,