A visual simulation of four different electoral systems

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.

Instant-runoff voting (IRV) is a voting method used in single-seat elections with more than two candidates.

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

I'm publishing source code for my 2 legacy NewGRFs (ERV and IRV) for OpenTTD which I created using grfcodec back in 2007.

Droop STV Election Counter

A rust library for tallying votes

Analysis of multi-pass IRV elections, a problematic multi-winner form of RCV

JS implementation of Single Transferrable Vote (STV) counting

A library of rank voting algorithms

Open Source voting platform, by the Center for Election Science

Simulating different electoral systems

NSW Legislative Assembly Election Data in PrefLib format.

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!

A toolkit for alternative voting methods. Initially to support Rankled and Range Ballots for IRV, Boorda, and Pairwise/Condorcet. Future support planned Multi-member methods.

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