Democratic Information
Democratic Underground - forums, news, shopping, etc...
Democracy For America - Democracy for America is a political action committee dedicated to supporting fiscally responsible, socially progressive candidates at all levels of government—from school board to the presidency.
Women's National Democratic Club - WNDC engages members (women and men) in public affairs and serves as a forum for Democratic leaders.
Democrats.US - another general information/forum site for democrats.
Democratic Talk Radio - democratictalkradio.com was launched to spread the message of the Democratic Party and to provide an on-line home for grassroots Democrats everywhere.
Democrats.com - Democratic Blog site.

Democratic Gear
DemStore.com - Campaign Gear.
Cafe Press - Lots of great political gear.
Auntie Fashions - More great political clothing.
Northern Sun - NS is a long time supplier of political/social merchandise.