- Accurate Democracy - Site explaining Condorcet's method and proportional representation, and their use in public elections and meetings. Free software included.
- Approval Voting - A voting procedure in which voters can vote for, or approve of, as many candidates as they wish. Each candidate approved of receives one vote, and the candidate with the most votes wins.
- Approval Voting - Advocacy page for Approval Voting. Includes many theoretical examples which illustrate improvement over plurality voting.
- Caltech-MIT Voting Technology Project - Project set up to evaluate the current state and reliability of U.S. voting systems, and to propose specific uniform requirements and guidelines for U.S. voting systems. Formed in December 2000 in response to the 2000 U.S. Presidential Election.
- Center for Voting and Democracy - Organization that researches how voting systems affect participation, representation and governance. Advocates proportional representation systems for legislative elections, instant runoff voting for executive and judicial elections and public interest redistricting.
- Condorcet's Method - A pairwise election system where ranked ballots are used to simulate many head-to-head elections, where the winner is the candidate who wins all pairings.
- Declared-Strategy Voting - Group decision-making procedure in which preference is specified using voting strategies in a given scenario (for instance, a first-past-the-post election)
- Elections, Electoral Methods and Electoral Law - Describes the voting system for German Federal elections, with discussion, statistics, and links related to unusual characteristics such as with overhang seats and negative weighting of votes.
- Elections: Results and Voting systems - Links to websites and articles on a variety of voting systems and suggested election reforms.
- Electoral Reform Society - Campaigns for proportional representation and the Single Transferable Vote system in parliaments, assemblies and councils. Based in the UK, but information is applicable to other countries and to non-governmental bodies.
- Electorama - Home of the Election-methods mailing list. Discussion of single-winner election reform, the relative merits of different proportional representation systems, and the technical underpinnings of all election methods.
- How Democracy Works - Explanation two-party politics against left-right spectrum. Asserts that in perfect elections, candidates will appear equally imperfect, elections' voter turnout will often be low, and all elections will end in near ties.
- International Foundation for Election Systems (IFES) - A private, nonprofit organization established in 1987 to support electoral and other democratic institutions in emerging, evolving, and experienced democracies.