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 |
|---|---|---|---|---|---|
| 101 |
Controllable-RAG-Agent
This repository provides an advanced Retrieval-Augmented Generation (RAG) solution for complex question answering. It uses sophisticated graph based algorithm to handle the tasks. |
1.6K | 268 | 08/29/26 | Apache-2.0 |
| 102 |
OpenContracts
The open document intelligence platform for builders and hackers - DMS for the agentic world |
1.5K | 185 | 08/30/26 | MIT |
| 103 |
omnibox
Collect, organize, use, and share, all in OmniBox. |
1.5K | 163 | 08/28/26 | Apache-2.0 |
| 104 |
EmbedAnything
Highly Performant, Modular, Memory Safe and Production-ready Inference, Ingestion and Indexing built in Rust 🦀 |
1.3K | 144 | 08/12/26 | Apache-2.0 |
| 105 |
llmwiki
Open Source Implementation of Karpathy's LLM Wiki. Upload documents, connect your Claude account via MCP, and have it write your wiki ! |
1.5K | 226 | 08/09/26 | Apache-2.0 |
| 106 |
MemeMeow
Intelligent meme management |
1.3K | 36 | 08/29/26 | MIT |
| 107 |
edgeever
Serverless, 100% free, and open-source Evernote alternative on Cloudflare with native MCP |
1.3K | 717 | 08/30/26 | AGPL-3.0 |
| 108 |
edit-mind
Local-first Video Knowledge Base. Index your video library with multi-modal analysis (YOLO, DeepFace, Whisper), search semantically via natural language, Docker-ready. |
1.8K | 121 | 06/30/26 | Other |
| 109 |
obsidian-Smart2Brain
An Obsidian plugin to interact with your privacy focused AI-Assistant making your second brain even smarter! |
1.2K | 113 | 08/27/26 | MIT |
| 110 |
smart-second-brain
An Obsidian plugin to interact with your privacy focused AI-Assistant making your second brain even smarter! |
1.2K | 113 | 08/27/26 | MIT |
| 111 |
paperai
📄 🤖 AI for medical and scientific papers |
1.8K | 146 | 07/14/26 | Apache-2.0 |
| 112 |
RAG-Retrieval
Unify Efficient Fine-tuning of RAG Retrieval, including Embedding, ColBERT, ReRanker. |
1.1K | 88 | 08/28/26 | MIT |
| 113 |
omnigraph
Lakehouse native graph engine with git-style workflows |
1.1K | 247 | 08/30/26 | MIT |
| 114 |
MemoryOS
[EMNLP 2025 Oral] MemoryOS is designed to provide a memory operating system for personalized AI agents. |
1.6K | 161 | 07/07/26 | Apache-2.0 |
| 115 |
Neurite
Fractal Graph-of-Thought. Rhizomatic Mind-Mapping for Ai-Agents, Web-Links, Notes, and Code. |
2.1K | 172 | 03/16/26 | MIT |
| 116 |
FlashRank
Lite & Super-fast re-ranking for your search & retrieval pipelines. Supports SoTA Listwise and Pairwise reranking based on LLMs and cross-encoders and more. Created by Prithivi Da, open for PRs & Collaborations. |
1.0K | 72 | 07/11/26 | Apache-2.0 |
| 117 |
memory-os
A 7-layer memory operating system for Hermes Agent — persistent memory with Qdrant, structured facts, fabric recall, auto-curated wiki, and surgical context injection. Runs locally, any LLM provider. |
1.3K | 127 | 06/10/26 | MIT |
| 118 |
ai-knowledge-graph
AI Powered Knowledge Graph Generator |
2.9K | 390 | 12/28/25 | Apache-2.0 |
| 119 |
ApeRAG
ApeRAG: Production-ready GraphRAG with multi-modal indexing, AI agents, MCP support, and scalable K8s deployment |
1.3K | 146 | 05/02/26 | Apache-2.0 |
| 120 |
arkon
Arkon: Enterprise AI Knowledge Hub & MCP Server. Self-hosted knowledge base for teams to manage RAG contexts, access policies, and AI skills. Connect Claude and other LLMs via Model Context Protocol (MCP) for automated, secure organizational knowledge integration. |
1.3K | 269 | 06/03/26 | Other |