Okay..here we go here's my list of current lefty/anarchist groups in the UK. Some may be defunct, and I've not included localist groups or journals. let me know if I've missed any.
If anyone fancies helping putting up a blog with info on all these (a kinda lefty trainspotting encyclopedia) let me know.
Anarchist Federation
Alliance for Green Socialism
Alliance for Workers Liberty
Class War
Communist Corresponding Society
Communist Party of Britain
Communist Party of Great Britain (Provisional Central Committe)
Communist Party of Britain-Marxist Leninist
Communist Party of Great Britain-Marxist Leninist
Communist Workers Organisation
Communist Action
Communist League (The Militant)
Communist League/Movement for a Socialist Future
Communist League of Great Britain
Counterfire
The Commune
International Leninist Workers Party /Economic and Philosophic Science Review
Green Anarchist
International Bolshevik Ttendency
International Communist Current
International Communist Party - Communist Left
International Communist Party - Internationalist Papers
International Communist Party / Socialist Equality Party
International Communist League (Fourth International) / Spartacist League
International Socialist Group / Socialist Resistance
International Socialist Group – Bamberyite
International Socialist League
Independent Working Class Association
Industrial Workers of the World
Liberty and Solidarity
Marxist Party
Maoist Internationalist Movement
New Communist Party
Proletarian Democracy
Peace and Progress Party
Permanent Revolution
Revolutionary Communist Group
Revolutionary Democratic Group
Revolutionary Internationalist League
Revolutionary Internationalist Movement
Revolutionary Workers Party
Respect
RCPGB-ML
Socialist Action
Socialist Appeal
Socialist Fight
Socialist Labour Party
Socialist Workers Party
Socialist Party
SPGB - Socialist Standard
SPGB - World in Common
SPGB - Socialist Studies
Solidarity - Sheridanites
Solidarity - Solidarity paper
Socialist League
SolFed
TUSC
United Socialist Party
Workers Action
Workers Power
WRP (Newsline)
WRP (Workers Press) / Movement for Socialism / Reclaim the Future
WRP (WIRFI)
Workers Internationalist League
Workers Fight