Ron Paul Forums is a highly successful forum for supporting grassroots efforts by Ron Paul supporters. We particularly recommend the Liberty Candidates subforum that hosts threads discussing individual campaigns, candidate lists, and Q&A regarding conducting a campaign for office.

Another import grassroots site is The Paulunteer. Billing itself as The Ron Paul Republican Grassroots Newsletter, the site does an excellent job of sifting through the enormous quantity of Ron Paul news and information and highlighting the most important from the perspective of grassroots activity. Definitely add this feed!

The Daily Paul is the wailing wall of the Ron Paul movement. Enter at your own risk.