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,

 2)   O&O DiskStat Professional Edition 1
O&O DiskStat is a high-power tool for analyzing the used disk space on your storage volumes. With an easy-to-use interface, you can take a closer look at the file and folder structure of your internal and external drives.
investigating space wastage on the hard disk, hard disk space, space, space wastage, hard disk usage, disk usage, disk stat, diskstat, 3d chart, treemap,