BeBro's Civ2000 - Bernd Brösing is both a masterful artist and a talented designer of scenarios.
Carl's Scenarios for Civ2 - Halve the headaches of Civ2 scenario design by applying Mr. Fritz's utilities.
Catfish's Resources - Catfish is a brilliant 24-bit graphics manipulator
Civ2 Junction - Anzac has collected the units of Nemo, GukGuk, and Jimmywax.
Classic Civilisation Home Page - Prometeus had a scenario up for review a few centuries back.:)
Cradle of Civilisation - Proof that even Test of Time has fans.:)
DarthVeda's Imperial Archives - DarthVeda's civilization scenario site. All of his scenarios are hosted here.
Fantastic Worlds - Home of MapEdit, the better of the two civ2 map editing utilities.
Favoured Flight - FavFlight has come up with technically excellent Lord of the Rings scenarios.
Forum: Apolyton Scenario League - This site's very own forum. Feel free to join in the vibrant exchange of know-how.
Forum: CDGroup Civ2 -
Forum: civ.org.pl - Civ2 po Polski
Forum: Civ2 League - Friendly Civ2 discussion in Deutsch.
Forum: Civ2 Liga - A League of German Civ2ers.
Forum: CivForum - Deutsch Deutsch Deutsch.
Forum: Civilization Fanatics - They are fanatical. And they like civilization.
Kull's Ancient Empires - Kull the Designer of Death happens to have a website.
Mathias' Civ2 Site - In German.
Mercator's Civ2 Site - Home to a top-notch map database and some excellent utilities.
Scenario League - The place to send all your worldly possession should you ever feel cultish and suicidal.
Spanish Civilisation Site - It seems as though someone hasn't included the Spanish Civ Site in the SLeague's links. I blame, uh, Reismarck.:)
Stefan Härtel's Civ Site - Some people don't care much for Persia. Stefan Härtel isn't one of those uncouth barbarians.:)
Stefan Härtel's Civ2 Page - Some people make good scenarios. Some people make bad scenarios. Stefan Härtel makes Persian scenarios.

Havard's EU-Editing Empire - An editing reference is good, n'est pas?
James Dahl's EU2 Site - Mad King James' shield-making-template may help out budding EU2 artists. Magnetism may help out budding magnets. Who knows...
Korath's Flags and Shields - Korath has created flags and shields for many of the EU2 mod projects.

Civ Evolution Project Homepage - Though currently lacking full scenario editing tools, cEvo is a very promising "clone" of Civ2.

Ian's Simly Simsational - Ian did some interesting Renaissance tilesets very early on.
Scurk as Art - This site attempts to do justice to the architecture of South America.
The Sojot Collection - Lee Sojot is a veteran SCURK artist and it shows.