Top #retrieval Tools & Software

ragflow

github

RAGFlow is a leading open-source Retrieval-Augmented Generation (RAG) engine that fuses cutting-edge RAG with Agent capabilities to create a superior context layer for LLMs

Retrieval-based-Voice-Conversion-WebUI

github

Easily train a good VC model with voice data <= 10 mins!

LightRAG

github

[EMNLP2025] "LightRAG: Simple and Fast Retrieval-Augmented Generation"

EasyOCR

github

Ready-to-use OCR with 80+ supported languages and all popular writing scripts including Latin, Chinese, Arabic, Devanagari, Cyrillic and etc.

onyx

github

Open Source AI Platform - AI Chat with advanced features that works with every LLM

storm

github

An LLM-powered knowledge curation system that researches a topic and generates a full-length report with citations.

PageIndex

github

📑 PageIndex: Document Index for Vectorless, Reasoning-based RAG

haystack

github

Open-source AI orchestration framework for building context-engineered, production-ready LLM applications. Design modular pipelines and agent workflows with explicit control over retrieval, routing, memory, and generation. Built for scalable agents, RAG, multimodal applications, semantic search, and conversational systems.

airweave

github

Open-source context retrieval layer for AI agents