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).

abcvoting

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

prefsampling

A small package providing many algorithms to sample preferences

pabutools

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

pyrcv

Python library and web server for tallying ranked choice elections.

pystv

Python library and web server for tallying ranked choice elections.

elsim

Election simulation and analysis

apportionment

A Python implementation of common apportionment methods

poli-sci-kit

Political elections, appointment, analysis and visualization in Python

voter-tools

Tools for online voter registration in the United States of America

django-ok-likes

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

voting

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

gitconsensus

Automate Github Pull Requests using Reactions

rcv

Tabulate ballots from ranked-choice elections

apis-scraper

Python web scraper for getting Polish political parties support percentage

community-prompt-voting-mcp-server

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

houseofreps

Python package to model apportionment in house of representatives

social-choice

Social choice functions implemented in Python 3.

helios-lib

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

fridex

Namespace fridex package

fridex-connection

Fridex connection tools