The Turran FTP is where Damien releases his packs and all updates. He has a special folder for his collection, and also if you check the "uploads" folder and search for DamienD, he has a HDF files folder there too. My addon collection is also in the uploads folder under "hitm4n".
See this thread for Turran FTP details and rules
https://eab.abime.net/showthread.php?t=43633