Jay's Leftist and Progressive Internet Resour
A frequently-updated topical directory of resources on the internet by, for and about leftists and progressives. Excellent set of 'radical history' links.
Left Directory (UK)
A comprehensive directory of all left, radical and progressive organisations on the web.
redsignpost
Guide to the revolutionary left in the UK. Promoting left unity in action and theory. Featuring regularly updated discussion board and information on all main left groups.