Agents & Auto — Free AI Tools

Agent frameworks, workflow automation, no-code builders.

• LangGraph — Production agent graphs — SQLite persistence, human-in-the-loop interrupts
• CrewAI — Multi-agent orchestration — role-based, 44K+ stars
• AutoGen — Microsoft multi-agent framework — 54K+ stars
• OpenClaw — Viral autonomous AI platform — 100K+ stars, multi-channel messaging, skills ecosystem
• Khoj — Most mature open second-brain AI — native Obsidian integration, semantic search, deep research
• aidaemon — Rust AI daemon — Telegram interface, 40+ tools, ~10MB idle, SQLite+vectors
• n8n — Self-hosted automation platform — 176K stars, 400+ integrations
• Activepieces — MIT automation with MCP support — YC-backed
• Zapier — 8,000+ app connections, industry standard
• Dify — Visual AI workflow builder — 129.8K stars
• Flowise — Drag-and-drop LangChain builder
• Botpress — Multi-channel chatbot builder — established since 2017
• Manus — General-purpose AI agent — executes complex multi-step tasks autonomously with browser, code, and file capabilities
• Emergent — Enterprise AI agent platform — SOC2 and HIPAA compliant, audit trails, role-based access for regulated industries
• Microsoft Agent Framework — Microsoft's framework for multi-agent systems — Azure integration, Teams/M365 connectors, A2A protocol support
• LangGraph 1.0 — Production-grade directed graph agent orchestration — checkpointing, human-in-loop, streaming, LangSmith integration
• Activepieces — Open-source Zapier alternative — self-hostable, 200+ integrations, AI-powered automation builder
• FreeAgent — An open-source multi-agent AI framework for building automated systems.
• OpenBotX — An open-source framework for building and deploying AI-powered bots.
• OpenAI Agents SDK — OpenAI's official agent SDK — multi-agent orchestration, guardrails, handoffs
• Google ADK — Google's Agent Development Kit — Gemini-native, multi-agent, A2A protocol