Alternatives to Google Agent Development Kit

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

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

LangGraph is a low-level agent orchestration framework for building stateful, controllable AI agents as graphs.

Microsoft Agent Framework is an open-source SDK for building agentic AI agents and workflows in Python or C#, now with the GA Agent Harness

TypeScript agent framework for building, observing, and improving agents that run for days

AgentScope is an open-source Python framework for building multi-agent AI systems with debate, routing, and plan-based reasoning.

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

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.

Lyzr's Opencontroller is a control plane to run, monitor and govern AI agents built on any framework.

OpenMA runs Claude Managed Agents and OpenAI Agents API sessions on your own infrastructure, Apache 2.0 licensed.

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.

Swarms is an open-source Python framework for multi-agent orchestration with named swarm topologies and reasoning agents

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.

Hello Agents is a free, open-source 16-chapter tutorial for building AI agents from scratch in Python.

A2A is an open agent-to-agent interoperability protocol that lets AI agents on different frameworks discover each other and delegate tasks.

LobeHub puts Super-Agents to work in your team chat, picking up tasks and getting more expert every week.

xpander.ai runs Claude Code, Codex, and OpenCode agents inside your own Kubernetes with budgets and every turn logged

Open source durable execution SDK for background jobs, workflow orchestration, and AI agents

StackAI is the enterprise AI agent platform IT teams use to build, deploy, and govern agentic workflows across regulated organizations.

OpenAgents runs Data Agent, Plugins Agent and Web Agent from one open chat UI, self-hostable under Apache-2.0.

Agenta is an open-source workspace for building and automating AI coworkers that work in Slack or Telegram

Trigger.dev runs durable AI agents and long-running background jobs in TypeScript with no execution timeout.

SmolAgents builds code-writing AI agents in Python — agents that think and act in code, sandboxed and model-agnostic.

DeepAgents is an open-source agent harness for long-horizon, multi-step agents with sub-agents and a pluggable filesystem.

Pydantic AI is the typed Python agent framework that validates every LLM output into Pydantic models.

ZenML orchestrates ML pipelines in Python, and Kitaru turns production agent traces into repeatable replay-based evals.

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