Alternatives to Agent Systems Handbook

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

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

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

Polymath builds simulation environments where autonomous AI agents practice long-horizon, multi-tool work and get scored against ground truth

MisakaNet is a free failure-memory corpus that lets AI agents BM25-search real debugging lessons before repeating a bug.

Aeon turns 86 skills into self-healing AI agents that run unattended on GitHub Actions cron schedules.

Hermes Desktop is a free, open-source desktop GUI for the Hermes Agent — a self-hosted AI agent with a built-in learning loop that turns

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

CrewAI is an enterprise multi-agent platform: visual builder plus a governed control plane for production agent workflows.

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

AgenticX: build multi-agent Python systems with MCP, A2A and layered memory in one local-first runtime

DBOS adds durable workflows, queues, and cron to apps and AI agents using the Postgres database you already run.

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

Buda runs a multi-agent AI workspace where an Organizer dispatches work to specialist agents on persistent cloud computers.

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

ChatDev 2.0 (DevAll) is a zero-code, free multi-agent orchestration platform configured in YAML or JSON.

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

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

Imbue builds inspectable AI agent tooling: Studio, mngr, Latchkey, Sculptor, Vet, Blueprint and Bouncer.

Canvas by MindPal gives you an infinite canvas to run AI agents and multi-agent systems side by side or in sequence.

VCPToolBox is the open-source runtime that gives LLM agents persistent memory, tool calling and multi-agent coordination via the VCP

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

Open-source platform where a Chief Agent Operator hires, schedules and reports on a 24/7 team of AI agents.

Enterprise agent runtime that runs Claude Code, Codex, and OpenCode agents inside your own cloud with governance and budgets

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.

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

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