Vectorstore Python Packages

fastembed-vectorstore

In-memory vector store with FastEmbed integration for Python applications.

sci-etl-core

Async-first, domain-agnostic Python toolkit for mining scientific literature: LLM-powered ETL pipelines with pluggable extractors, parsers, exporters, and resumable state.

langchain-infino

LangChain partner package for Infino — vector, BM25, and hybrid (RRF) retrieval over one engine.

raggy

scraping and querying documents for LLMs

langchain-shannonbase

LangChain VectorStore for MySQL 9's native VECTOR type — RAG on ShannonBase, self-hosted MySQL, or HeatWave. No separate vector DB needed.

h2ogpt

Private chat with local GPT with document, images, video, etc. 100% private, Apache 2.0. Supports oLLaMa, Mixtral, llama.cpp, and more. Demo: https://gpt.h2o.ai/ https://gpt-docs.h2o.ai/

barq-sdk-python

Rust-based retrieval system with hybrid search (vector + BM25), async ingestion, and gRPC-first API