http://www.ubuntu.com/download
https://www.centos.org/download/#centos-stream
http://www.debian.org/distrib/
https://getfedora.org/
http://www.slackware.com/getslack/
http://www.linuxmint.com/download.php
http://xubuntu.org/getxubuntu/
http://www.archlinux.org/download/
https://get.opensuse.org/
https://access.redhat.com/downloads
https://sourceforge.net/projects/slackel/files/
https://pureos.net/download/
http://mageia.org/en/downloads/
https://ftp.nluug.nl/os/Linux/distr/pclinuxos/pclinuxos/iso/
https://puppylinux-woof-ce.github.io/
http://zorin-os.com/free.html
https://www.bunsenlabs.org/installation.html
http://www.kubuntu.org/getkubuntu/
http://sourceforge.net/projects/manjarolinux/files/
http://neptuneos.com/en/download.html
http://sourceforge.net/projects/bodhilinux/files/
http://www.netrunner.com/download/
https://www.kali.org/downloads/
https://lubuntu.me/downloads/