[fardelian]

https://en.wikipedia.org/wiki/GnuTLS#Deployment

>Software packages using GnuTLS include(d):

    GNOME
    CenterIM
    Exim
    Weechat
    Mutt
    Wireshark
    slrn
    Lynx
    CUPS
    gnoMint
    GNU Emacs
    Synology DiskStation Manager
    OpenConnect