Knowledge Base & RAG

Enterprise search and RAG platforms — alternatives to Glean and Notion AI.

156 projects

See methodology for ranking rules; order uses public GitHub metrics within this scenario.

61–80 of 156

Rank Project Stars Forks
61 m_flow

A bio-inspired cognitive memory engine — a new paradigm for Graph RAG.

4.5K 257
62 llama_cloud_services

Knowledge Agents and Management in the Cloud

4.3K 466
63 hister

Your own search engine

3.3K 150
64 ragent

Enterprise-grade Agentic RAG agent with end-to-end document parsing, multi-path retrieval, intent recognition, question rewriting, conversation memory, MCP tool calling, and deep thinking, designed for real business scenarios with complete engineering implementation from scratch.

3.8K 767
65 OpenKB

OpenKB: Open LLM Knowledge Base

4.1K 425
66 bRAG-langchain

Everything you need to know to build your own RAG application

4.1K 502
67 open-knowledge

Beautiful, AI-native markdown IDE and LLM wiki

3.7K 240
68 Hyper-Extract

Hypergraph is more powerful. Transform unstructured text into structured knowledge with LLMs. Graphs, hypergraphs, and spatio-temporal extractions — with one command.

3.8K 430
69 morphik-core

Open-source multimodal retrieval engine (Morphik Core). By Morphik — AI back office for skilled nursing & senior living (morphik.ai).

3.7K 327
70 agentic-rag-for-dummies

A modular Agentic RAG built with LangGraph — learn Retrieval-Augmented Generation Agents in minutes.

4.0K 517
71 SimpleMem

SimpleMem: Efficient Lifelong Memory for LLM Agents — Text & Multimodal

3.7K 393
72 fastembed

Fast, Accurate, Lightweight Python library to make State of the Art Embedding

3.2K 239
73 eventcatalog

Documentation tool built for software architecture. Document your domains, services, events and schemas — for your teams and your AI agents.

2.9K 275
74 llm-wiki-agent

A personal knowledge base that builds and maintains itself. Drop in sources — Claude (or Codex/Gemini) reads them, extracts knowledge, and maintains a persistent interlinked wiki. Works with Claude Code, Codex, OpenCode, Gemini CLI. No API key needed.

3.5K 399
75 eidos

A single-file relational spreadsheet for you and your agent.

3.2K 136
76 docspell

Assist in organizing your piles of documents, resulting from scanners, e-mails and other sources with miminal effort.

2.3K 182
77 knowhere

Knowhere extracts, parses, and outputs structured chunks ready for AI Agents and RAG.

2.7K 297
78 korean-law-mcp

법제처 국가법령정보를 LLM에서 바로 조회하는 MCP 서버. 법령·판례·조례 검색과 인용 검증 | MCP server for Korean law — search statutes, precedents, and ordinances, and verify citations

2.5K 510
79 quant-mind

QuantMind is an agent-native knowledge extraction and retrieval framework for quantitative finance.

2.7K 460
80 SAG

A new SOTA for RAG — an original retrieval architecture and an open-source knowledge base for humans and agents.

2.4K 151