Alternatives to Experts

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

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

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

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.

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

Build multi-agent AI teams in Python and deliver results to Slack, Telegram, Discord and WhatsApp.

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

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

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.

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

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

Teammate Skill builds a portable AI agent Skill from a colleague's Slack, Teams, and GitHub trail.

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

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

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

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

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

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

Browse Capafy AI's agent skills marketplace to buy prebuilt AI agents priced per task, per week, or per month.

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

Community-maintained library of 800+ Markdown cybersecurity skill files your AI coding agent loads on demand.

Inspectable AI agent tooling — mngr, Latchkey, Sculptor and Vet — that runs on your terms, not your vendor's.

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

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.

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