Modulus Financial Engineering
Modulus provides a range of products including SrockCharts active-X chart control and a FIX interface component.

Steema Chart Control
Chart control capable of  displaying real-time charts.

QuickFIX
Open source FIX engine

QuantLib
Open source C++ library that implements a wide range of useful functions and pricing algorithms.

Math.NET
Mathematics library for .NET

Extreme Optimisation Math Library
Math library for .NET

CenterSpace Software
Math libraries

EDT FTP
FTP component for .NET

dB4o
Fast database component for objects