Packages with the gsl use flag

Global definition: Use the GNU scientific library for calculations.

app-office / calligra : KDE Office Suite

dev-perl / PDL : Perl Data Language for scientific computing

dev-python / cvxopt : Python package for convex optimization

dev-ruby / classifier-reborn : Module to allow Bayesian and other types of classifications

kde-apps / step : Interactive physics simulator

media-gfx / asymptote : A vector graphics language that provides a framework for technical drawing

media-gfx / krita : Free digital painting application. Digital Painting, Creative Freedom!

media-sound / snd : Snd is a sound editor

media-video / guvcview : Simple Qt5 or GTK+3 interface for capturing and viewing video from v4l2 devices

net-analyzer / flowgrind : Network performance measurement tool

sci-biology / hmmer : Sequence analysis using profile hidden Markov models

sci-libs / ViSP : Visual Servoing Platform: visual tracking and visual servoing library

sci-libs / dealii : Solving partial differential equations with the finite element method

sci-libs / mathgl : Math Graphics Library

sci-libs / o2scl : Object-oriented Scientific Computing Library

sci-libs / votca-tools : Votca tools library

sci-mathematics / unuran : Universal Non-Uniform Random number generator

sci-misc / nco : Command line utilities for operating on netCDF files

sci-physics / root : C++ data analysis framework and interpreter from CERN