AI knowledge base search

Elasticsearch Vector Search

RAG · BYO embeddings (OpenAI, Cohere, Hugging Face, Mistral, Bedrock, Vertex, Azure) plus Elastic's built-in ELSER sparse model and E5 dense model

8.7

Hybrid vector + keyword search in the enterprise-grade Elasticsearch engine

Snowflake Cortex

RAG · Anthropic Claude, Meta Llama, Mistral Large 2, Snowflake Arctic

8.7

Generative AI and RAG built into the Snowflake data cloud

AWS Bedrock

Agents · Multi-model: Anthropic Claude, Meta Llama, Mistral, Cohere, AI21, Amazon Nova/Titan, DeepSeek, Stability, OpenAI GPT

8.6

Build and scale generative AI applications with foundation models

DataStax Astra DB

RAG · Bring-your-own embeddings; integrates with OpenAI, Cohere, Hugging Face, Mistral, NVIDIA NIM, and Vertex AI via server-side vectorize

8.6

Serverless vector and document database for production RAG and AI agents

MongoDB Atlas Vector Search

RAG · Bring-your-own embeddings (OpenAI, Cohere, open models); native Voyage AI embeddings and rerankers

8.6

Vector search built into the operational database you're already using.

Quivr

RAG · Multi-model (OpenAI, Anthropic, Mistral, Gemma)

8.4

Open-source RAG framework for building custom AI assistants over your own documents in a few lines of Python.

RAGFlow

RAG · Multi-model

8.1

Open-source RAG engine with deep document parsing, hybrid search, and visual agent orchestration.

AnythingLLM

RAG · Multi-model

7.9

Open-source desktop and self-hosted app that turns your documents into a private chat-and-agent workspace.

Khoj

Agents · Multi-model

7.9

Open-source personal AI that builds agents, searches your documents, and automates research across local files and the web.

Humata.ai

RAG · Multi-model

7.8

Chat-with-your-documents RAG tool with citation-backed answers across uploaded PDFs and files.

Limitless

Agents · Proprietary (multi-model)

7.8

AI wearable pendant that records and transcribes your conversations into a searchable personal memory.

Agentset

RAG · Multi-model (Claude, OpenAI, Google, xAI, Cohere, Mistral, DeepSeek)

7.3

Production-ready RAG infrastructure with agentic search, citations, and model-agnostic plumbing.

Epsilla

RAG · Multi-model

7.3

Agent-as-a-Service platform with managed RAG and a no-code builder for vertical enterprise AI.

TencentDB Agent Memory

Agents · Multi-model

7.2

Local long-term memory for AI agents using layered storage and Mermaid-based symbolic compression.

WeKnora

RAG · Multi-model

7.2

Tencent's open-source RAG framework that turns raw documents into a queryable knowledge base, ReAct agent, and self-maintaining wiki.

Tiledesk

Agents · Multi-model

7.1

Open-source conversational AI platform for building multi-channel support agents and automation workflows.

UltraRAG

RAG · Multi-model (MiniCPM-Embedding-Light, AgentCPM-Report, BYO LLM)

7.1

Low-code, YAML-driven RAG pipeline orchestrator with a visual UI for building and demoing retrieval systems.

AICamp

Writing · Multi-model (GPT-5.2, Claude 4, Gemini)

7.0

Team workspace that puts GPT, Claude, and Gemini behind one admin console with shared prompts, agents, and usage controls.

ChatLab

Agents · Bring-your-own (local models recommended)

7.0

Local-first analytics and AI agent for your personal chat history, with bring-your-own model support.

HelixDB

RAG

7.0

Unified graph-and-vector database built for AI agent memory and GraphRAG.

Kotaemon

RAG · Multi-model (OpenAI, LlamaCPP, any OpenAI-compatible endpoint)

7.0

Open-source RAG UI for chatting with your own documents, locally or self-hosted.

SMMRY

Writing

7.0

Veteran web-based summarizer that condenses articles, books, and YouTube videos into digestible bullet points.

CocoIndex

RAG · Bring-your-own (embeddings + LLM)

6.9

Open-source incremental data framework that keeps RAG indexes and agent context continuously fresh.

DeepSearcher

RAG · Multi-model (DeepSeek, OpenAI o1/o3-mini, Claude, Llama, others)

6.9

Open-source agentic RAG framework for private enterprise data, built by the Zilliz/Milvus team.

Merlin AI

Writing · Multi-model (GPT-4o, Claude 3.7, Gemini 2.5, Llama 3.1, Mistral, Deepseek)

6.9

Browser-based multi-model AI assistant that puts GPT-4, Claude, and Gemini one keystroke away on any webpage.

MindPal

Agents · Multi-model

6.9

No-code platform for building and orchestrating teams of AI agents that automate business workflows.

Refinder AI

RAG

6.9

Chat-native enterprise search and task automation hub that lives inside Slack and Google Chat.

ShyEditor

Writing · Multi-model (GPT-4, Grok)

6.9

AI-native writing environment that bolts an assistant, citation manager, and knowledge base onto a distraction-free markdown editor.

aiPDF

RAG

6.8

Chat-with-your-documents app that ingests PDFs, EPUBs, web pages and YouTube videos with cited answers.

Mintlify

Coding · Multi-model

6.8

AI-native documentation platform that writes, maintains, and serves docs to humans and LLMs.

Recall

RAG · Multi-model (GPT, Claude, Gemini)

6.8

AI-powered personal knowledge base that summarizes, links, and quizzes you on everything you save.

Ailin

Agents · Multi-model — routes to OpenAI, Anthropic Claude, Google Gemini, and customer-supplied custom models

One prompt, every AI model — plus a no-code builder for agents and workflows

Apple Notes MCP

MCP Servers

Let Claude read your local Apple Notes over the Model Context Protocol.

AWS MCP Servers

MCP Servers

Official AWS Labs collection of Model Context Protocol servers for connecting AI coding assistants and agents to AWS services and documentation.

Chroma MCP

MCP Servers

Official MCP server that gives LLM clients direct access to the Chroma vector database.

claude-mem

Agents · Model-agnostic — works with the models used by the connected agent (Claude, GPT, Gemini, etc.) via MCP

Persistent, cross-agent memory for Claude Code and other coding assistants

CowAgent

Agents · Model-agnostic: Claude, GPT, Gemini, DeepSeek, Qwen, GLM, Kimi, MiniMax, Doubao

Open-source, self-hosted AI agent framework that plans, uses tools, and executes multi-step tasks.

Dia Browser

Agents

An AI-native browser from The Browser Company that turns tabs into an agentic assistant for knowledge workers.

Dify

Agents · Model-agnostic: OpenAI (GPT-4o, GPT-4.1), Anthropic Claude, Google Gemini, Mistral, Cohere, Ollama, and any OpenAI-compatible endpoint

Open-source LLMOps platform for building agentic workflows, RAG pipelines, and AI applications

Docling

RAG · GraniteDocling 258M and other vision-language models

Open-source document parsing for AI: PDFs, Office files, audio and video into clean, structured Markdown/JSON

DuckDuckGo MCP Server

MCP Servers

MCP server that gives Claude and other LLMs DuckDuckGo web search plus URL content fetching, with no API key required.

Findborg

RAG

A Find Engine built on truth — web + community + AI

GenAI Agents (NirDiamant)

Agents · Framework-agnostic; most notebooks default to OpenAI GPT-4 class models, with Ollama and local model examples included.

50+ Jupyter tutorials for building GenAI agents, from a simple chatbot to multi-agent systems.

Horch

Audio · Whisper (local) for transcription; optional Ollama / MLX local LLMs for summarization

Privacy-first, on-device meeting assistant for macOS

LobeHub

Agents · OpenAI GPT-4o/o1, Anthropic Claude 3.5/4, Google Gemini, DeepSeek, Mistral, Ollama, and 40+ other providers (bring-your-own-key)

Open-source AI agent platform and chat UI supporting every major LLM, plugins, and multi-agent workflows.

MCP Memory Server

MCP Servers

Persistent knowledge-graph memory for Claude and other MCP clients

Meilisearch

RAG · Retrieval engine (Rust); pluggable embedders including OpenAI, Cohere, Hugging Face, Ollama and custom REST models

Open-source, lightning-fast search engine with built-in hybrid and vector search for RAG

Notebooker

RAG · User-selectable: OpenAI, Anthropic, or local models (bring your own API key)

A cited-answers notebook that turns links, PDFs, audio and video into podcasts, flashcards, mindmaps and textbooks.