Alternatives to Agentor

AutoGen is Microsoft's open-source framework for building conversational and event-driven multi-agent AI apps in Python and .NET.

LangGraph is an MIT-licensed, low-level agent orchestration framework for building stateful, controllable AI agents as graphs of states and transitions.

Open-source TypeScript platform for durable AI agents and long-running background jobs that survive redeploys and crashes.

Microsoft's open-source, code-first Python framework for building stateful, data-intensive conversational AI agents.

Free 16-chapter Datawhale open-source tutorial that teaches you to build AI agents from scratch in Python, including your own HelloAgents framework.

Open source durable execution SDK for background jobs, workflows, and AI agents — wrap code in step.run() and get retries, flow control,

Open-source TypeScript agent framework with durable workflows, memory, and observability built into one stack.

OpenAI Agents SDK: a free MIT-licensed Python framework for building multi-agent workflows with handoffs, guardrails, sandbox agents, and

Pydantic AI is the typed, open-source Python agent framework that returns Pydantic-validated objects from every run.

Open-source meta-harness that runs Claude Code, Codex, Pi and your own agents under one policy, sandbox and cost layer

CowAgent is an open-source AI agent harness that plans tasks, runs tools, and grows long-term memory across sessions.

TabTin is an open-source team agent harness that runs sub-agents and people on one shared task surface for code, docs and spreadsheets.

Open-source Python framework for building multi-agent AI teams that deliver results straight to Telegram, Slack, Discord and WhatsApp.

Haystack is deepset's open-source Python framework for building inspectable RAG pipelines and production-grade AI agents

Open-source Python SDK plus AgentOS runtime for serving agents as a REST API and MCP server you host yourself.

Microsoft's open-source SDK for building AI agents and copilots with plugins, memory, and multi-agent orchestration.

Microsoft Agent Framework is an open-source SDK for building agentic AI with workflows, checkpoints, and the GA Agent Harness runtime.

Open-source multi-agent framework that assigns PM, architect, engineer and QA roles to GPTs for structured software tasks

AgentScope is an open-source Python framework from Alibaba for building distributed multi-agent AI systems.

DeerFlow is an open-source SuperAgent harness that runs deep research, coding, and creation tasks in a persistent Docker sandbox.

Durable execution platform that keeps AI agents and long-running workflows alive through crashes, retries, and abandoned sessions.

OpenAgents is an open-source platform for running and hosting language agents — Data, Plugins and Web agents from one chat UI.

Hugging Face's Apache-2.0 Python library for AI agents that write and run their actions as code.

Hermes Agent: a self-hosted open-source AI agent with persistent memory that builds reusable skills across 20+ chat platforms.

Paperclip is an open-source AI agent control plane for running a team of AI agents with org charts, budgets, and approvals.

Open-source Python multi-agent orchestration with named swarm topologies, reasoning agents, and MCP tooling

Yao Agents is a self-hosted AI agent runtime that runs autonomous agents across every computer you own.

Xagent is an open-source autonomous AI agent engine that plans tasks from stated outcomes instead of workflows.

Open-source CLI that turns 18 source types into AI skills and RAG knowledge for 22 AI platforms.

Open-source library of 817 structured cybersecurity skill files your AI coding agent loads on demand, mapped to MITRE ATT&CK and licensed Apache 2.0.