The League of Women Voters is a preeminent organization that encourages citizens to be informed and active government participants.
A good source for election information is the
Federal Election Commission. This site also contains some state-level information, as well as data on political action committees.
DemocracyNet, a nonprofit, public policy research group provides citizens, public officials, and candidates a unique opportunity to debate issues of local and state interest. Candidates and elected officials can upload or update their positions in the database and citizens can access them.
America's Promise: The Alliance for Youth encourages volunteers to create "communities of promise" in their hometowns.
Vote.com is an interactive site that allows users to vote "yes" or "no" on current "hot button" issues. For example, after the 2000 presidential election, the site polled e-public opinion on this question: "Does the Electoral College work fairly?"
For those interested in the initiative process, a wealth of information can be found at
http://www.iandrinstitute.org.