Non-partisan organization providing up-to-the-minute news and analysis on election reform. See their resource library for more information on the Help America Vote Act (HAVA). Their interactive map lets one see numbers of registered voters, voting age population, voting system used etc.
A non-partisan, non-profit organization that studies how voting systems affect participation, representation and governance. Information on proportional representation, redistricting and voter rights.
MassVote provides information on Massachusetts voter registration, absentee voting, voting rights, and information for new voters.
Campaign Finance Reports and Data
Find data on spending and fund raising by zip code, state, campaign, candidate and committee back to 1980, includes bulk downloading options.
FollowTheMoney.org
Comprehensive campaign finance data and research reports compiled from federal and state disclosure agencies, provided by the nonpartisan, nonprofit National Institute on Money in Politics
OpenSecrets.org
Non-partisan resource from the Center of Responsive Politics on money's influence on U.S. elections and public policymaking