lynda.com playlist - A playlist featuring some of the best lynda courses for documentary production
Desktop Documentaries - A helpful site that provides detailed information for the entire process, from pre through post-production.
4docs - 16 short docs to watch before you make one!
Short of the week - A fantastic website that features short films of all kinds (documentary, narrative, animated, etc.). A great source of inspiration.
Documentaries on Vimeo - A channel for all of the short documentaries that have been uploaded to YouTube.
IDA - The website for the International Documentary Association.
POV - POV (a cinema term for "point of view") is television's longest-running showcase for independent non-fiction films. POV premieres 14-16 of the best, boldest and most innovative programs every year on PBS.