on May 26, 2018 Jonx0r uploaded a new version at https://archive.org/details/Wyrmstooth1.17BSSE along with new readme and new permits, copy of which is here wyrmstooth_1.17b_readme_(sse).txt
The Drachenzahn DV 1.3.1 is a totally new set up German version, bug fixed and more, by Dreifels, on base of the 1.17B, and the EV 1.3.1 is a re-translation of the DV 1.3.1 esm
"Wyrmstooth, sometimes referred to as The Elder Scrolls V: Wyrmstooth, was a DLC-sized expansion of The Elder Scrolls V: Skyrim that took place on the island of Wyrmstooth. It was created by Jonx0r and featured an entirely new main questline, side quests, new npcs and much more. The quest Dragon Hunt is initiated automatically after completing Dragon Rising if the Dragonborn's level is above 10.
On 3rd May 2016, the modification was deleted from all known mod hosting sites without any warning provided. The social media accounts of the modification at Twitter, Facebook and Google+ have all been removed as well. Although the page continues to exist at Mod DB, there are no downloads available.
On 13th May 2016, ten days after the deletion of the mod, the mod author announced through a Reddit discussion topic that there were personal reasons for deleting the modification and obliterating his online presence. He has stated that users are free to share the mod in private with others, but they will not receive any support from the mod author. The post was later deleted for an unspecified reason."