You don’t need a login to download any Open Office extension. I just downloaded what you say is what you want:
Download Apache OpenOffice Extensions from SourceForge.net On September 17, 2020 at 4:19:50 PM, Xesús González Rato (esba...@softastur.org) wrote: Hello, I've been trying to login for an update of the extension "Asturian spellchecker dictionary for OpenOffice.org" and fails all the time. Thinking that perhaps I've forgotten the password, I've claimed a "forgot my password" and displays an error message saying to contact with the webmaster. That's the reason of this message. Thanks in advance! Xesús
