BRITDOC
Supporting documentary makers of all levels, the site provides links & documents designed to connect film makers and organisations to get funded and make it all happen
http://britdoc.org/resources
British Council Film – Resources for Documentaries
http://film.britishcouncil.org/resources/documentary
DocHouse Resources
http://www.dochouse.org/resources
The Documentary Filmmakers Group (DFG)
http://thedfg.org/resources