Film/Video Databases

By far the best resource for festivals, venues etc. also check Framework user list:
Flicker Home Page
Best source of notes on Independent and Experimental Cinema:
PFA Filmnotes
Other good resources:
The Internet Movie Database (IMDb)
MovieLink | Home
Silent Film Sources Monthly News
Northwestern U Film & Video Resources

Distributors Databases

Canyon Cinema
Film-makers' Cooperative
OVID
Canadian Filmmaker's Distribution Center
Video Data Bank
Electronic Arts Intermix
Drift Distribution
Women Make Movies
Facets Video

Film & Video Screening
Spaces in NYC

Film & Video Resources in NYC

Film Video Arts
Millenium Film Workshop
Rafik