Voting Python Packages

pref-voting

pref_voting is a Python package that can be used to study and run elections with different preferential voting methods (graded voting methods and cardinal voting methods are also included for comparison).

prefsampling

A small package providing many algorithms to sample preferences

abcvoting

Python implementations of approval-based committee (multi-winner) voting rules

pabutools

A complete set of tools to work with participatory budgeting elections.

apportionment

A Python implementation of common apportionment methods

poli-sci-kit

Political elections, appointment, analysis and visualization in Python

pyrcv

Python library and web server for tallying ranked choice elections.

pystv

Python API for adjudicating single transferable vote elections. Also contains basic web server to adjudicate results in CSV format.

django-ok-likes

This app provides like/unlike functionality through Django REST Framework APIView classes.

elsim

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

voter-tools

Tools for online voter registration in the United States of America

voting

Diversity / (dis)proportionality measures, election quotas, and apportionment methods in pure Python.

gitconsensus

Automate Github Pull Requests using Reactions

apis-scraper

Python web scraper for getting Polish political parties support percentage

agora-core

Multi-Agent governance framework — voting, veto, precedent, and risk classification

community-prompt-voting-mcp-server

MCP server for community-driven prompt voting and discovery — submit, vote, and find the best AI prompts

rcv

A Python package for tabulating ranked-choice elections.

houseofreps

Apportionment of representatives in U.S. House of Representatives.

social-choice

Some social choice functions (voting rules, like single transferable vote) implemented in Python.

fridex

Fridrich default package

fridex-connection

Basic fridrich functions (connection, encryption , ...)

helios-lib

Helios Server (Helios is an end-to-end verifiable voting system) as library