Command line application and PHP library, providing an election engine with a high-level interface. Native support 20+ voting methods, easy to extend. Support simple elections with ease or billions of votes in low resource environment. Intensively tested and highly polyvalent.

PyRankVote is a python library for different ranked-choice voting systems, like IRV, STV and PBV. Created in June 2019.

A rust library for tallying votes

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!

The reference implementation of the single transferable vote (STV) system used for student government elections at Carnegie Mellon University.

Election Simulator 3000: Simulates a variety of elections and voting methods

Ranked choice voting javascript/typescript library

A program for comparing electoral systems. Supports instant-runoff voting, first-past-the-post, the Borda count, and more.

A Julia package for simulating and analyzing rank choice voting systems.

CiviCRM extension which provides election functionality, including nominations, candidates and voting to CiviCRM.

Run ranked voting contests using data from Google Forms or a Discourse forum

Voting method exploration/simulation tool

JS implementation of Single Transferrable Vote (STV) counting

IRV algorithm with a "no endorsement" option

A library of rank voting algorithms

The elections site for the Stuyvesant High School Student Union. Made with Next.JS, MongoDB and GraphQL

Simulate elections using Google Forms and Sheets

A PHP library based on STV.pm by Jonathan Lundell.

Vote tallying tool that ranks the winners by Instant-Runoff (IRV) rules. Intended for use with Louisiana Youth & Government conference elections.