condorcet-methods

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julien-boudry / Condorcet

Sponsor

Star 125

Versatile PHP election engine (library & CLI) with a high-level API. Handles everything from the simplest use cases to advanced options and simulation tools. Supports 20+ native Condorcet-like voting methods (extensible), scales from small polls to billions of votes in resource-constrained environments. Rigorously tested and documented.

vote election minimax election-polling election-reform condorcet copeland instant-runoff stv instant-runoff-voting voting-methods alternative-vote ranked-pairs dodgson kemeny-young schulze-method condorcet-methods election-manager borda-count ftpt

Updated Sep 9, 2025
PHP

kbaird / consensus

Star 10

An Erlang library pertaining to consensus democracy, including Condorcet voting

erlang voting elections condorcet condorcet-methods

Updated Oct 17, 2025
Erlang

elsim

endolith / elsim

Star 8

Election Simulator 3000: Monte Carlo simulations of voting methods and metrics under different voter models

research simulation monte-carlo voting democracy elections electoral-system-visualization condorcet range-voting instant-runoff-voting first-past-the-post voting-methods social-choice condorcet-methods borda-count comsoc electoral-systems ranked-choice-voting approval-voting voting-theory

Updated Jul 5, 2025
Python

electorama / abiftool

Star 5

Convertion of ABIF to/from other formats

election condorcet copeland instant-runoff star-vote instant-runoff-voting election-analysis election-data condorcet-methods voting-systems

Updated Sep 23, 2025
Python

jicksta / ranked-pairs-voting

Star 4

Working implementation of the Tideman Ranked Pairs (TRP) Condorcet voting method

go voting elections condorcet ranked-pairs condorcet-methods

Updated Dec 14, 2021
JavaScript

CondorcetVote / Condorcet-Voting-Open-Source-Ecosystem-Map

Star 3

Collaborative index of preferential voting open-source projects. Related to Condorcet vote method an others.

condorcet vote-application alternative-vote condorcet-methods preferential-voting condorcet-vote

Updated Jun 28, 2023

Naghan1132 / Comparison-of-winners-of-elections-with-different-voting-methods

Star 3

Compare the results of different voting methods

visualization python voting voting-application condorcet election-analysis voting-classifier borda condorcet-methods

Updated Apr 16, 2023
Jupyter Notebook

kristomu / quadelect

Star 3

Voting method exploration/simulation tool

visualization cli research cpp simulation voting mathematics electoral-system-visualization condorcet instant-runoff-voting social-choice ranked-pairs schulze-method condorcet-methods electoral-systems condorcet-voting preferential-voting

Updated Jul 14, 2025
C++

odeialba / moodle-mod_sortvoting

Star 3

This plugin allows sorting a list of options by preference of the user, instead of just selecting one.

php voting moodle preference moodle-activity moodle-plugin condorcet vote-application ranked-choice instant-runoff-voting irv condorcet-methods rcv vote-system ranked-choice-voting condorcet-voting ranked-voting preferential-voting

Updated Oct 11, 2024
PHP

CondorcetVote / CondorcetElectionFormat

Star 2

Specification of a free format, representing an Election and her data (parameters, candidates, votes). The objective of this format is to be easily written and read by a human, with the rigor and precision necessary for ingestion by a program.

vote election condorcet condorcet-methods condorcet-voting

Updated May 23, 2023

DolicaAkelloEgwel / Condorcet-Domains

Star 1

My 🏆*~award-winning~*🏆 final year undergraduate CS & Maths project on finding maximal Condorcet Domains. Resolved a hitherto open problem in the mathematics of voting/preference. This code is in need of some TLC...

mathematics combinatorics condorcet-methods condorcet-voting voting-theory mathematics-of-preference