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.

A rust library for tallying votes

online decision-making platform

A Python 3.12 implementation of the Schulze method for ranking candidates.

Schulze voting method Go library

A .NET Standard 2.0 library that implements various Condorcet voting algorithms

PrefVote is to promote ranked-choice preference voting algorithms. Updated with Condorcet voting algorithms, it's descended from the Vote::STV software written which I wrote in Perl originally in 1998 and used by multiple clubs and non-profit organizations over the years for polls and elections.

Voting method exploration/simulation tool

Une application de vote par ranking, Spring Boot / Angular (2021)

Easy to use voting methods. Uses Svelte and Tailwind CSS.

Schulze method implementation in Julia

Graphical Python implementation of the Schulze method

MetaCouncil's PC Games of the Year Awards 2018-20, Decade Awards 201X ; SteamDB's Discord GotY Awards 2024.

SteamEra Games of the Year Awards 2017.

A preferential ballot voting system written in nodeJS

Implementation of the Schulze method in Rust

Tool for calculating the winner of an election by letting voters cast their vote in form of a ranked list of candidates.

Scalable, fast and fair voting API using the Schulze method.