Campaign Finance Information Center
Political Moneyline: Money in Politics Databases
Commission on Presidential Debates
The Center for Responsive Politics is largely devoted to campaign financing issues and how they impact elections and public policy. Researchers can track how much money is being spent by candidates and who is contributing to their campaigns.
Nonprofit, nonpartisan organization that sponsors and produces debates for U.S. Presidential and Vice-Presidential candidates. Also undertakes research and educational activities related to debates.