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.
| Rank | Project | Stars | Forks | Updated | License |
|---|---|---|---|---|---|
| 61 |
m_flow
A bio-inspired cognitive memory engine — a new paradigm for Graph RAG. |
4.5K | 257 | 08/03/26 | Apache-2.0 |
| 62 |
llama_cloud_services
Knowledge Agents and Management in the Cloud |
4.3K | 466 | 05/18/26 | MIT |
| 63 |
hister
Your own search engine |
3.3K | 150 | 08/29/26 | AGPL-3.0 |
| 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 | 08/25/26 | Apache-2.0 |
| 65 |
OpenKB
OpenKB: Open LLM Knowledge Base |
4.1K | 425 | 07/22/26 | Apache-2.0 |
| 66 |
bRAG-langchain
Everything you need to know to build your own RAG application |
4.1K | 502 | 08/03/26 | Other |
| 67 |
open-knowledge
Beautiful, AI-native markdown IDE and LLM wiki |
3.7K | 240 | 08/29/26 | GPL-3.0 |
| 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 | 08/12/26 | Other |
| 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 | 07/23/26 | Other |
| 70 |
agentic-rag-for-dummies
A modular Agentic RAG built with LangGraph — learn Retrieval-Augmented Generation Agents in minutes. |
4.0K | 517 | 07/25/26 | MIT |
| 71 |
SimpleMem
SimpleMem: Efficient Lifelong Memory for LLM Agents — Text & Multimodal |
3.7K | 393 | 07/24/26 | MIT |
| 72 |
fastembed
Fast, Accurate, Lightweight Python library to make State of the Art Embedding |
3.2K | 239 | 08/26/26 | Apache-2.0 |
| 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 | 08/28/26 | Other |
| 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 | 08/24/26 | MIT |
| 75 |
eidos
A single-file relational spreadsheet for you and your agent. |
3.2K | 136 | 08/30/26 | AGPL-3.0 |
| 76 |
docspell
Assist in organizing your piles of documents, resulting from scanners, e-mails and other sources with miminal effort. |
2.3K | 182 | 08/28/26 | AGPL-3.0 |
| 77 |
knowhere
Knowhere extracts, parses, and outputs structured chunks ready for AI Agents and RAG. |
2.7K | 297 | 08/29/26 | Apache-2.0 |
| 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 | 08/29/26 | MIT |
| 79 |
quant-mind
QuantMind is an agent-native knowledge extraction and retrieval framework for quantitative finance. |
2.7K | 460 | 08/15/26 | MIT |
| 80 |
SAG
A new SOTA for RAG — an original retrieval architecture and an open-source knowledge base for humans and agents. |
2.4K | 151 | 08/29/26 | MIT |