Feel free to link to this site. If you have your own Xenosaga site, pop me an email so I can link back to you. Also, if there are any other links you think should appear here, let me know.
Pied Piper Translations
Echoes - A French translation of the script.
Anima Relics - An Italian translation of the script.
Shinra.ru - An in-progress Russian translation of the script.
General Xenosaga Links
Xenosaga Official Website (NA)
Xenosaga: Pied Piper Official Website (JP)
Xenosaga: The Animation Official Website (JP)
Xenosaga Livejournal Community
Xenolegacy - A comprehensive community/resource site devoted to Xenosaga.
Labyrinthos - Another very comprehensive community/resource site.
Ewigkeit (JP) - A Japanese Xenosaga community site.
Kouli's Pied Piper Story Translation at GameFAQs - Not a full script translation, but has all the major details and some good specifics on the game itself.
Japanese Links
Jim Breen's WWWJDIC - A brilliant Japanese-English dictionary. I use it constantly.
Wikipedia (JP) - Even in Japanese, Wikipedia rules.
Reference Links
Bible Gateway - Great for looking up those frequent Bible references.
Wikipedia - The best reference site ever. I mean it.
Google - When all else fails, Google is there.