1)   RadarCube OLAP ASP.NET Direct 1.31
Fastest and prowerful AJAX OLAP library for ASP.NET 2.0+. Completely written on C# and contains no ActiveX. Supports IE, FireFox (also in Linux and MAC OS), Opera. Connects to any database and requires minimum server memory. Medium trust compliant.

 2)   OLAP + CHART ModelKit 3.7
OLAP + CHART ModelKit includes OLAP component for multidimensional data analysis and component for data representation in the form of charts. The product allows the creation of analytical applications for decision support systems.

 3)   OLAP ModelKit 3.0
One of the first OLAP components for .NET written in C# and containing managed code. The product is remarkable for a modern XP Themed appearance, an ability to use any .NET data sources and ability to present data via any third party chart components