Alternatives to Openagi

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

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

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

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

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

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

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

Open-source agent frameworks (langchain, langgraph, deepagents) plus LangSmith for tracing, evals, deployment and governance.

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

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

TabTin is an open-source team agent harness where sub-agents and people share one task surface for code, docs and spreadsheets.

Open-source meta-harness that runs Claude Code, Codex and custom AI agents under one policy, sandbox and cost layer

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

Open-source AI agent harness that plans tasks, runs tools, and keeps long-term memory across sessions.

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

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

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

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

OpenAgentSkill is a task-to-skill resolution API that turns a natural-language job into one ranked, install-ready agent skill with trust

Coworker AI gives enterprise AI a permission-aware memory layer and model routing across 13 models

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

Designing Multiagent Systems: a Python book on multi-agent LLM architecture, MCP, and picoagents

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

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

Free, open-source desktop GUI that runs the self-hosted Hermes Agent with a closed learning loop that writes its own skills

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

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