Looking for logging into the Xmarks Firefox site and are not getting the correct working link for it? In such a case, you can use the links given here by searching your desired login page in the search box. If the page is present on our website then you will get all the links related to the Xmarks Firefox site. After that you can login as usual with your login credentials.
https://discourse.mozilla.org/t/xmarks-bookmarks-sync-previously-known-as-xmarks-sync-allowing-multiprocess-e10s-and-using-webextensions-apis/19303
https://www.chip.de/downloads/Xmarks-Sync-fuer-Firefox_22514729.html
https://www.computerbild.de/download/Xmarks-Sync-fuer-Firefox-1641591.html
https://stadt-bremerhaven.de/xmarks-wird-eingestellt/
https://www.pcwelt.de/downloads/Xmarks-Firefox-581451.html
https://lastpass.com/support.php?cmd=showfaq&id=3216
https://forums.lastpass.com/viewtopic.php?f=45&t=290275
https://de.wikipedia.org/wiki/Xmarks
https://www.reddit.com/r/firefox/comments/88bij9/xmarks_is_dead_on_may_1st_2018/
https://www.ghacks.net/2017/11/07/whats-going-on-with-xmarks-for-firefox/
https://www.heise.de/download/product/xmarks-foxmarks-39722
https://news.slashdot.org/story/18/04/27/1924210/bookmark-syncing-service-xmarks-closes-for-good-on-may-1
https://www.technorms.com/21675/sync-bookmarks-multiple-browsers-xmarks