Ranking Python Packages

rank-bm25

A Collection of BM25 Algorithms in Python

flashrank

Lite & Super-fast re-ranking for your search & retrieval pipelines. Supports SoTA Listwise and Pairwise reranking based on LLMs and cross-encoders and more. Created by Prithivi Da, open for PRs & Collaborations.

openskill

Multiplayer Rating System. No Friction.

tensorflow-ranking

Learning to Rank in TensorFlow

choix

Inference algorithms for models based on Luce's choice axiom

evalica

Evalica, your favourite evaluation toolkit

recommenders

Best Practices on Recommendation Systems

net-sift

Coverage-first social and web deep-search as an MCP server: sweep many sources, rank results, report the gaps. Reaches X, Reddit, Instagram and more through your logged-in Chromium browser. For Claude Code and Codex.

jev-sort

sort by meaning: order lines along a plain-English dimension, from pairwise comparisons judged by TypeSafe's Jev model

avow

Turns measurements on different scales into one score that shows its math — for developers who must explain a score.

caserecommender

Case Recommender: A Flexible and Extensible Python Framework for Recommender Systems

whole-history-rating

A Python implementation of Whole-History Rating for games, sports, esports and pairwise LLM evaluation.

dep-rank

Rank a GitHub project's dependents by stars or trust — CLI that scrapes dependents and enriches via GraphQL.

torchsort

Fast, differentiable sorting and ranking in PyTorch

pairsort

pairsort: rank anything with AI judges — many small pairwise questions, coupled into one calibrated ranking (PKPD / Bradley–Terry) on Jev-style judges

rexmex

A general purpose recommender metrics library for fair evaluation.

assay-engine

Turns measurements on different scales into one score that shows its math — for developers who must explain a score.

ranking-table-tennis

Ranking system based on rating points for table tennis players.

ranksignal

Catch ranking and retrieval quality failures in production, without ground-truth labels. Label-free signals + Prometheus export.

kickscore

Pairwise comparisons with flexible time-dynamics.

ranklab

Learning-to-rank losses and evaluation

discordlevelingcard

A library with leveling cards for your discord bot.

osmviews

Python client for OSMViews, a world-wide ranking of geographic locations based on OpenStreetMap tile logs.

recsys-eval

Open-source infrastructure for building recommender systems. Offline evaluation and promotion gating, extracted from production.