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!

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

Ranked choice voting javascript/typescript library

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

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

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

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

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

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

Voting method exploration/simulation tool

IRV algorithm with a "no endorsement" option

JS implementation of Single Transferrable Vote (STV) counting

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.