Merge pull request fffaraz#95 from christiankolding/patch-1

add QuantLib and Finance section

Author: fffaraz

README.md

@@ -355,6 +355,7 @@ A curated list of awesome C/C++ frameworks, libraries, resources, and shiny thin
 * [Eigen](http://eigen.tuxfamily.org/) - A high-level C++ library of template headers for linear algebra, matrix and vector operations, numerical solvers and related algorithms. [MPL2]
 * [GMTL](http://ggt.sourceforge.net/) - Graphics Math Template Library is a collection of tools implementing Graphics primitives in generalized ways. [GPL2]
 * [GMP](https://gmplib.org/) - A C/C++ library for arbitrary precision arithmetic, operating on signed integers, rational numbers, and floating-point numbers. [LGPL3 & GPL2]
+* [QuantLib](http://quantlib.org/index.shtml) - A free/open-source library for quantitative finance. [Modified BSD]
 
 ## Multimedia