Terra Incognita has contributed greatly to this Wiki (as well as Peter Metcalfe). See his website here: Terra Incognita.
Also, the following websites are stable and reliable (as of Nov 2009):
- Moon Design's Glorantha pages - Canonical information from Greg Stafford and Jeff Richards.
- Hero Wars 2 - Website of the current rule set for Third Age Glorantha.
- Mongoose Publishing - Website for the current rule set for Second Age Glorantha. (Also, check the Forums page.)
- Etyries - Nick Brooks collection of Glorantha information, centering on the Lunar Empire
- Gloranthan Links - Chris Holden's listing of web links (sadly, about half are no longer working. Last updated in May 2009.)
- Questlines - John Hughes' Glorantha site, focussing on Sartar and the Far Place.
- Terra Incognita - Once again, a great resource.
- Glorantha Forum - A forum at BRP Central for everything Gloranthan, with a full list of current Glorantha publications and the most updated link list on the net!
- Glorantha Digest - A searchable archive of all of the messages from the Glorantha Digest mailing list. Especially rich during its heydays from 1998-2000.
- Kevin McDonald's Google Wave - An experimental collaborative tool, here used to gather information on the Carmanian lands and culture. (Invite to Google Wave needed to access.)
- Gloranthan Index A searchable tool. (And something that should probably be incorporated into the this Wiki someday.)
There are dozens of maps available online. Check Map Resources for a list of known maps.