Actually, according to the site, "Ogg" is not related to any novels, though "Vorbis" is.
"The Ogg project has nothing to do with the common surname 'Ogg'. Nor is it named after 'Nanny Ogg' from the Terry Pratchett book _Wyrd Sisters_." ... "Vorbis, on the other hand is named after the Terry Pratchett character from the book _Small Gods_. The name holds some significance, but it's an indirect, uninteresting story."
from his third letter to the lawyers: "I do, however, insist upon my right to use my own name, even if he uses it too. I had already been Don Henley for seven years when your client was born."
Actually, according to the site, "Ogg" is not related to any novels, though "Vorbis" is.
...
"The Ogg project has nothing to do with the common surname 'Ogg'. Nor is it named after 'Nanny Ogg' from the Terry Pratchett book _Wyrd Sisters_."
"Vorbis, on the other hand is named after the Terry Pratchett character from the book _Small Gods_. The name holds some significance, but it's an indirect, uninteresting story."
from his third letter to the lawyers:
"I do, however, insist upon my right to use my own name, even if he uses it too. I had already been Don Henley for seven years when your client was born."