Accurate Democracy
Provides various electoral and legislative voting rules in any size from schoolroom to nation.
Approval Voting
Provides information on what approval voting is, as well as the advantages of approval voting over plurality voting.
Center for Voting and Democracy
Catalyst for electoral reforms such as instant runoff voting, proportional voting, direct election of the president and automatic voter registration.
Condorcet.org
Provides various voting methods along with details on a software that will tabulate other voting methods.
Electorama
An Election-methods website that provides discussion boards on the various voting systems.
Immigrant Voting Project
Resource network dedicated to promoting discussion about the practice of allowing immigrants to vote in local elections.