Also NASA uses NetBSD's pkgsrc for thier NAS package requirements<p><a href="https://www.nas.nasa.gov/hecc/support/kb/pdf-cat/133/" rel="nofollow">https://www.nas.nasa.gov/hecc/support/kb/pdf-cat/133/</a><p><a href="https://www.nas.nasa.gov/hecc/support/kb/using-software-packages-in-pkgsrc_493.html" rel="nofollow">https://www.nas.nasa.gov/hecc/support/kb/using-software-pack...</a>