Lien ISOs :

Ubuntu MATE:

http://cdimage.ubuntu.com/ubuntu-mate/releases/19.10/release/ubuntu-mate-19.10-desktop-amd64.iso.torrent

http://cdimage.ubuntu.com/ubuntu-mate/releases/19.04/release/ubuntu-mate-19.04-desktop-amd64.iso.torrent

http://cdimage.ubuntu.com/ubuntu-mate/releases/18.04/release/ubuntu-mate-18.04.3-desktop-amd64.iso.torrent

http://cdimage.ubuntu.com/ubuntu-mate/releases/18.04/release/ubuntu-mate-18.04.3-desktop-i386.iso.torrent

Ubuntu Server:

http://cdimage.ubuntu.com/releases/19.10.1/release/ubuntu-19.10-server-amd64.iso.torrent

http://cdimage.ubuntu.com/releases/19.04/release/ubuntu-19.04-server-amd64.iso.torrent

http://cdimage.ubuntu.com/releases/18.04.3/release/ubuntu-18.04.3-server-amd64.iso.torrent

Ubuntu:

http://releases.ubuntu.com/19.04/ubuntu-19.04-desktop-amd64.iso.torrent

http://releases.ubuntu.com/18.04/ubuntu-18.04.3-desktop-amd64.iso.torrent