Social Choice Python Packages

abcvoting

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

elsim

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

apportionment

A Python implementation of common apportionment methods

solidago

Free and open source code of the https://tournesol.app platform. Meet the community on Discord https://discord.gg/WvcSG55Bf3

agorai

AgorAI: A Python package for fair, transparent decision-making and democratic synthesis that combines social choice theory, welfare-economics aggregation, and LLM-driven opinion synthesis

social-choice

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

pabumeasures

Measures on participatory budgeting elections.