CUBPACK
- Fortran 95 code for automatic integration of functions over one or more-dimensional regions.
- http://www.cs.kuleuven.be/~nines/software/CUBPACK/

UNSW Applied Mathematics - McLean
- Sake is a Fortran 95 library that generates special-purpose, 4D quadrature rules used in boundary element computations for integral equations on surfaces. Gaussquad provides a Fortran 95 module that generates all of the classical Gauss quadrature rules, i
- http://web.maths.unsw.edu.au/~mclean/

Quadpack
- Package for the numerical computation of definite one-dimensional integrals.
- http://www.netlib.org/quadpack/

PAMIHR
- Fortran 77 multidimensional quadrature package.
- http://pixel.dma.unina.it/RESEARCH/pamihr.html

Alan Genz's homepage
- Multi-dimensional integration, particularly for statistical applications.
- http://www.math.wsu.edu/math/faculty/genz/homepage