Alternatives to Any Agent

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

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

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

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

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

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

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

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,

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

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

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

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

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

Enterprise agent workforce platform for building, operating, and governing AI agents across on-prem, hybrid, and multi-cloud environments.

GitNexus turns any codebase into a deterministic knowledge graph of call chains and execution flows that AI coding agents query through 7 MCP tools.

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

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.

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

Learn Claude Code is an open-source tutorial that builds a Claude Code-style agent harness in Bash across 20 runnable sessions.

StackAI is the enterprise AI agent factory IT teams use to build, deploy, and govern AI agents across regulated organizations.

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

MyClaw's managed hosting feature that turns a colleague's Slack, Teams, and GitHub trail into a portable AI agent Skill.

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

Clawdi hosts always-on Hermes and OpenClaw AI agents in the cloud with shared memory, skills, and vaults across every agent you run.

Google Agent Development Kit (ADK) is the MIT-licensed framework for building production AI agents with graph workflows

Let your AI agent resolve a plain-language task into one ranked, install-ready agent skill with trust signals attached.

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

Coworker AI routes enterprise tasks across 13 models on top of OM2 organizational memory