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