1)   RadarCube ASP.NET OLAP control for MS AS 1.31
RadarCube is a powerful ASP.NET OLAP control providing you with a unique chance of supplying the web site with the MS Analysis 2000 or 2005 client abilities. It is entirely authored in C# 2.0 and can be an excellent substitute for OWC PivotTable.

 2)   RTOPO 1.7
Is useful in topography for representing and editing 3D points (by 3DPOLY, SPLINE OR BLOCK entities) and for triangulation, isolines, projections and sections. RCAD 2.0 core provides OpenGL real-time orbit, pan, zoom, shading and lighting.