Retriever Python Packages

adalflow

AdalFlow: The library to build & auto-optimize LLM applications.

lightrag

AdalFlow: The library to build & auto-optimize LLM applications.

pytreesearch

TreeSearch: Search your codebase like a human — not like a vector database. No embeddings. No chunking. Just millisecond search over structured documents and large codebases. 无需 embedding，无需切分文档，在结构化文档和大型代码库中实现毫秒级检索。

langchain-quanticdata

LangChain integration for QuanticData — document loaders, a live-web retriever and a 9-tool agent toolkit: scraping to Markdown, SERP search, crawl/map, SEO audits and 74 ready-made collectors.

okf-agents

LangGraph and LangChain retriever, tools, and navigator subgraph for OKF (Open Knowledge Format) bundles.