ftp.ntua.gr:/mirror/slackware/slackware-15.0/source/l/gtk4/?C=N&O=D 
Icon  Name                                             Last modified      Size  Description
[DIR] Parent Directory                                                      -   
[TXT] slack-desc                                       11-Aug-2021 22:02  767   
[TXT] gtk4.SlackBuild                                  11-Aug-2021 22:10  5.0K  
[   ] gtk-4.4.1.tar.xz                                 01-Nov-2021 16:31   29M  
[   ] doinst.sh.gz                                     11-Aug-2021 22:12  421
Apache/2.2 Server at ftp.grnet.gr Port 80