Build, deploy, and orchestrate AI agents. Sim is the central intelligence layer for your AI workforce.

Build AI Agents, Visually

Your AI second brain. Self-hostable. Get answers from the web or your docs. Build custom agents, schedule automations, do deep research. Turn any online or local LLM into your personal, autonomous AI (gpt, claude, gemini, llama, qwen, mistral). Get started - free.

100+ AI Agent & RAG apps you can actually run — clone, customize, ship.

A modular graph-based Retrieval-Augmented Generation (RAG) system

LlamaIndex is the leading document agent and OCR platform

Build Real-Time Knowledge Graphs for AI Agents

Open Source AI Platform - AI Chat with advanced features that works with every LLM

An open-source RAG-based tool for chatting with your documents.

📚 《从零开始构建智能体》——从零开始的智能体原理与实践教程

Production-grade platform for building agentic IM bots - 生产级多平台智能机器人开发平台/ Agent、知识库编排、插件系统 / Bots for Discord / Slack / LINE / Telegram / WeChat(企业微信, 企微智能机器人, 公众号) / 飞书 / 钉钉 / QQ / Matrix e.g. Integrated with ChatGPT(GPT), DeepSeek, Dify, n8n, Langflow, Coze, Claude, Gemini, MiniMax, Ollama, SiliconFlow, Moonshot, openclaw / hermes agent, deerflow

open-source agentic AI data assistant for the next generation of AI + Data products.

An open source, privacy focused alternative to NotebookLM for teams with no data limits. Join our Discord: https://discord.gg/ejRNvftDp9

[MLsys2026]: RAG on Everything with LEANN. Enjoy 97% storage savings while running a fast, accurate, and 100% private RAG application on your personal device.

[MLsys2026]: RAG on Everything with LEANN. Enjoy 97% storage savings while running a fast, accurate, and 100% private RAG application on your personal device.

Give AI agents the context to query business data correctly through the open context layer that gives AI agents grounded, governed memory, context, SQL across 20+ data sources, that helps you build agentic GenBI, text-to-sql, dashboards, and agentic analytics.