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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.

81–100 of 156

Rank Project Stars Forks
81 MegaParse

File Parser optimised for LLM Ingestion with no loss 🧠 Parse PDFs, Docx, PPTx in a format that is ideal for LLMs.

7.4K 417
82 webclaw

Fast, local-first web content extraction for LLMs. Scrape, crawl, extract structured data — all from Rust. CLI, REST API, and MCP server.

2.3K 232
83 kernel-memory

Research project. A Memory solution for users, teams, and applications.

2.2K 415
84 nano-graphrag

A simple, easy-to-hack GraphRAG implementation

4.0K 425
85 search-index

A persistent, network resilient, full text search library for the browser and Node.js

1.4K 148
86 llm-wiki-skill

基于 Karpathy llm-wiki 方法论的个人知识库构建 Skill，支持多平台！

2.4K 286
87 llm-wiki-compiler

The knowledge compiler. Raw sources in, interlinked wiki out. Inspired by Karpathy's LLM Wiki pattern.

2.0K 197
88 autoflow

pingcap/autoflow is a Graph RAG based and conversational knowledge base tool built with TiDB Serverless Vector Storage. Demo: https://tidb.ai

3.0K 196
89 rag-web-ui

RAG Web UI is an intelligent dialogue system based on RAG (Retrieval-Augmented Generation) technology.

3.3K 368
90 mcp

Official Microsoft Learn MCP Server and CLI tool – powering LLMs and AI agents with real-time, trusted Microsoft docs & code samples.

1.9K 236
91 VideoRAG

[KDD'2026] "VideoRAG: Chat with Your Videos"

3.3K 479
92 xerj

One-command autoindexing search engine for AI agents, Elasticsearch-compatible, using 40x fewer tokens than grep.

1.7K 241
93 fess

Open-source, self-hosted enterprise & site search server built on OpenSearch. Crawls web / file / DB / cloud sources, 20+ languages, REST API, and AI/RAG & semantic search. Apache-2.0.

1.1K 175
94 nihaisha-nishi-tcm

An Agent Skill for Ni Haisha TCM course study, formula-pattern lookup, acupoint reference, and screenshot evidence indexing.

2.0K 437
95 tavily-python

Python SDK for Tavily API enabling smart search, extraction, crawling, mapping, and research capabilities.

1.4K 178
96 clip-retrieval

Easily compute clip embeddings and build a clip retrieval system with them

2.8K 238
97 llm-applications

A comprehensive guide to building RAG-based LLM applications for production.

1.9K 257
98 agentset

The open-source RAG platform: built-in citations, deep research, 22+ file formats, partitions, MCP server, and more.

2.1K 186
99 karpathy-llm-wiki

Agent Skills-compatible LLM wiki for Claude Code, Cursor, and Codex. Build a Karpathy-style knowledge base from raw sources, citations, and linting.

2.1K 248
100 trieve

All-in-one platform for search, recommendations, RAG, and analytics offered via API

2.7K 252
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