pref_voting is a Python package that can be used to study and run elections with different preferential voting methods (graded voting methods and cardinal voting methods are also included for comparison).
Voting systems comparison website. Simulate a single election in dozens of different voting methods including plurality, borda count, instant runoff, bucklin, copeland, and many more!
Preferential voting system using ethereum block-chain. Decentralized preferential Voting.
Ranked choice voting javascript/typescript library
This plugin allows sorting a list of options by preference of the user, instead of just selecting one.
Collaborative index of preferential voting open-source projects. Related to Condorcet vote method an others.
Voting method exploration/simulation tool
Eleição Contínua com Atualização de Parciais Automática
VoteFlow is an app that both (1) allows transparent, online ballots to occur using the prefernetial voting system, and (2) provides a graphical representation of the flow of votes under a preferential voting system, i.e. you can visually see the preferences flowing as candidates are eliminated from the ballot.
Copeland's preferential voting method implementation.
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