RankLLM is a Python toolkit for reproducible information retrieval research using rerankers, with a focus on listwise reranking.

Anserini is a Lucene toolkit for reproducible information retrieval research

DSPy: The framework for programming—not prompting—language models

Pyserini is a Python toolkit for reproducible information retrieval research with sparse and dense representations.

Python Library for Accessing the Cohere API

Code examples and jupyter notebooks for the Cohere Platform

Tevatron - Unified Document Retrieval Toolkit across Scale, Language, and Modality. Demo in SIGIR 2023, SIGIR 2025.