Similar to GNU_Multi-Precision_Library

GNU Multiple Precision Arithmetic Library

GNU Scientific Library

Lis (linear algebra library)

NAG Numerical Library

IMSL Numerical Libraries

FreeMat

Gretl

GLib

OpenSC

ARToolKit

List of numerical-analysis software

Fastest Fourier Transform in the West

INTLAB

Comparison of numerical-analysis software

EISPACK

Euler Mathematical Toolbox

Expr

GNU Octave

MINPACK

R (programming language)

SLATEC

GetFEM++

Gettext

Gnulib

GnuTLS

GObject

Libavcodec

Libwww