http://tilde.club/~iolfree/public_html/tildelinks.html http://tilde.club/~jon/who.html http://iq0.com/ https://www.acme.com/software/ https://cr.yp.to/djb.html https://s3.amazonaws.com/plan9-bell-labs/7thEdMan/bswv7.html # vol 2 = tutorials https://ftp.openbsd.org/pub/OpenBSD/distfiles/ # mirrors of ports https://www.gnu.org/software/coreutils/manual/coreutils.html