In no particular order :
...
1. The absolutely wonderful
ruuger assembled a
Giganormous List of Buffyverse communities on LJ . One stop shopping for all your Buffyverse LJ needs.
2. Many thanks to
dkissam for keeping
Unreliablenarrator still up. She's no longer in the fandom but the shooting scripts are still available.
3. The
Spike and Angel Timeline . Not sure when something happened? Go there.
4.
Screencap Paradise . Looking for a screencap from BtVS or AtS, go there.
5. The
Buffyverse Dialogue Database , lots and lots of salty goodness can be found there.