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.

poli-sci-kit

Political elections, appointment, analysis and visualization in Python. Mirror from https://codeberg.org/andrewtavis/poli-sci-kit.

pystv

Python library and web server for tallying ranked choice elections.

apportionment

A Python implementation of common apportionment methods

pyrcv

Python library and web server for tallying ranked choice elections.

django-ok-likes

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

voter-tools

Tools for online voter registration in the United States of America

community-prompt-voting-mcp-server

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

elsim

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

elections

A unified Python interface to multiple election data sources from around the world.

voting

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

rcv

A Python package for tabulating ranked-choice elections.

apis-scraper

Python web scraper for getting Polish political parties support percentage!

gitconsensus

Automate Open Source Governance

agora-core

Agora — The only multi-agent framework with built-in governance. Voting, veto power, precedent system, constitutional constraints.

houseofreps

Python package to model apportionment in house of representatives

social-choice

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

fridex

Namespace fridex package

fridex-connection

Fridex connection tools

helios-lib

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