The best replacement for gsl is lapack.

The best alternatives to gsl are rated as following:
★★★★★  lapack
★★★★  lv1
★★★★  geo 3.1
★★★★  dm14
★★★  mkl
★★★  scipy
★★★  armadillo
★★  luxe
★★  alglib
★★  numerical recipes
★  eigen
★  kespa
★  ogl
★  gsl
  mlg

Your alternative for gsl is not listed? Suggest!


No companions for gsl have been suggested so far.
You have in mind a companion for gsl and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of gsl in all years. Click on graph for more.
gsl
lapack
lv1