scilibs/CGAL

Computational Geometry Algorithms Library 
scilibs/OpenBLAS

Optimized BLAS library based on GotoBLAS2 
scilibs/SuiteSparse

A suite of sparse matrix algorithms 
scilibs/ViennaCL

Linear algebra and solver library using CUDA, OpenCL, and OpenMP 
scilibs/adept

A fast automatic differentiation library for C++ 
scilibs/arpack

A collection of Fortran77 subroutines designed to solve large scale eigenvalue problems 
scilibs/blas

Basic Linear Algebra Subprograms 
scilibs/ceressolver

C++ library for modeling and solving large complicated nonlinear least squares problems 
scilibs/cfitsio

A library for handling files in the Flexible Image Transport System format 
scilibs/cln

CLN is a library for efficient computations with all kinds of numbers in arbitrary precision 
scilibs/eigen

A C++ template library for linear algebra (vectors, matrices, and related algorithms) 
scilibs/fftw

FFTW is a C subroutine library for computing the discrete Fourier transform 
scilibs/fgsl

A Fortran interface to the GNU Scientific Library 
scilibs/flann

Fast library for approximate nearest neighbors 
scilibs/gdal

Geospatial Data Abstraction Library 
scilibs/geos

GEOS (Geometry Engine  Open Source) is a C++ port of the Java Topology Suite (JTS) 
scilibs/glpk

GNU Linear Programming Kit 
scilibs/gmm

A generic C++ template library for sparse, dense and skyline matrices 
scilibs/gsl

GNU Scientific Library 
scilibs/hdf5

Library for storing and managing data 
scilibs/lapack

Linear Algebra Package 
scilibs/libgeotiff

A TIFF based interchange format for georeferenced raster imagery 
scilibs/libnova

General purpose, double precision, Celestial Mechanics, Astrometry and Astrodynamics library 
scilibs/libqalculate

Modern desktop calculator library 
scilibs/molequeue

Desktop integration of high performance computing resources 
scilibs/nlopt

NLopt is a free/opensource library for nonlinear optimization 
scilibs/proj

PROJ.4  Cartographic Projections Library 
scilibs/qhull

General dimension convex hull programs 
scilibs/qrupdate

QR factorization updating library 
scilibs/sympy

A Python library for symbolic mathematics 
scilibs/tvmet

This Tiny Vector and Matrix template library 