CelestlabX for Scilab 6 on macOS
Fortunately the astrodynamics toolbox Celestlab is available for macOS on Scilab 6.0 and 6.1 as a binary. Unfortunately the extension module toolbox CelestlabX is not.
I compiled CelestlabX 3.3.1 for Scilab 6 and 3.4.0 for Scilab 6.1 on macOS 10.14 (Mojawe) and provided it as a binary here.
It can easily installed via ATOMS after downloading by typing:
atomsInstall("~/Downloads/celestlabx-3.3.1_6.0_bin.x86_64.darwin.zip")
for Scilab 6.0 or
atomsInstall("~/Downloads/celestlabx-3.4.0_6.1_bin.x86_64.darwin.zip")
for Scilab 6.1 in Scilab’s console.