Tag
Multi-agent tools
6 reviewed tools: 6 free or open source.
Order: free and open source first, then hosted products with a real free tier, then paid-led; catalog order inside each group, with quiet or archived repos last. Not a score, and no tool pays for its place.
6 tools
- AG2Apache-2.0 open-source AgentOS; AutoGen community continuation
Free / OSS · Apache-2.0 · 5k GitHub stars
VerdictApache-2.0 AutoGen community AgentOS. Use AG2 for OSS; Microsoft Agent Framework if you want the MS successor.
CatchVs microsoft/autogen (maintenance; MS points new work to Microsoft Agent Framework) and LangGraph/CrewAI: AG2 is the community AutoGen fork, not Microsoft’s enterprise successor. AG2 v1 is not a drop-in from Classic — pin ag2-classic / import autogen if you need the old surface. One primary entry; do not twin with dead AutoGen marketing.
- CAMELApache-2.0 multi-agent framework — scaling laws of agents
Free / OSS · Apache-2.0 · 17.9k GitHub stars
VerdictApache-2.0 multi-agent framework. Scale agent societies; Eigent is a different product.
CatchVs CrewAI / AG2 (product multi-agent orchestration) and OpenHands / SWE-agent (coding agents): CAMEL is multi-agent research/framework breadth, not a turnkey SWE seat. Eigent is a separate commercial cousin — do not treat CAMEL OSS as Eigent cloud. You own model spend and orchestration choices.
- OctopMIT self-hosted multi-user multi-agent platform
Free / OSS · OSS/MIT · 10k GitHub stars
VerdictMIT multi-user multi-agent platform. MCP/ACP/RAG/IM in one self-hosted surface; you own the control plane.
CatchVs LibreChat, OpenClaw, and nanobot: Octop is the team/multi-agent platform surface, not merely a multi-provider chat UI, a personal agent gateway, or a lightweight bot runtime. The self-host bargain moves auth, model keys, storage, upgrades, and operational boundaries onto you.
- oh-my-claudecodeMIT teams multi-agent orchestration for Claude Code — npm oh-my-claude-sisyphus
Free / OSS · OSS/MIT · 40.1k GitHub stars
VerdictMIT Claude Code team orchestration when OMC’s loops fit — not oh-my-hermes, not OpenClaw; install oh-my-claude-sisyphus; treat the star spike with caution.
Catch★39496 in about 38 weeks (~1040 a week): judge it on the orchestration substance, not the star count. Vs oh-my-hermes / openclaw / claude-code: oh-my-hermes is Hermes-agent niche memory/workflows; OpenClaw is multi-channel personal/coding agent — OMC’s catch is Claude Code multi-agent team orchestration via the sisyphus npm package. Package name ≠ repo name; pin `oh-my-claude-sisyphus` and verify which Claude Code versions the hooks target.
- ScionApache-2.0 platform for running coding agents as teams
Free / OSS · Apache-2.0 · 2k GitHub stars
VerdictThe most complete open setup for trying agent teams today — pin a preview tag and expect your config to change.
CatchIt needs a container runtime: Podman, Docker or Apple Container (Kubernetes or Cloud Run for hosted runs). There are no GitHub releases yet, only preview tags such as v0.3.0-preview.3, and the README warns that the project is evolving rapidly and APIs and configuration may change. It is from a Google Cloud repo but, in its own words, not an officially supported Google product. Every agent still runs on your own model keys and their token costs.
- Agent-MCPAGPL MCP-native multi-agent + shared knowledge graph
Free / OSS · AGPL-3.0 · 1.3k GitHub stars · quiet 180d+
VerdictAGPL MCP multi-agent graph when you need shared project memory across agents and can live with copyleft plus stale packaging metadata.
CatchVs CrewAI and AG2: this is MCP-native multi-agent + shared graph for coding workflows, not a general role-orchestration framework alone. LICENSE/README are AGPL-3.0 while pyproject (and node metadata) still claim MIT — metadata conflict; treat AGPL as authoritative until packaging is fixed. Last push 2026-03-28; typical path expects an OpenAI key.
FAQ
- What is the top free pick among Multi-agent tools?
- AG2 leads the Stack Gems list for Multi-agent tools. Verdict: Apache-2.0 AutoGen community AgentOS. Use AG2 for OSS; Microsoft Agent Framework if you want the MS successor.
- How many Multi-agent tools does Stack Gems review?
- 6: 6 free or open source. Each review has a verdict and an honest Catch; no tool pays for its spot.
- Which Multi-agent tools can I self-host for free?
- AG2, CAMEL, Octop, oh-my-claudecode, Scion and Agent-MCP.
- Which Multi-agent tools have the most GitHub stars?
- oh-my-claudecode (40.1k), CAMEL (17.9k), Octop (10k), per GitHub on 2026-10-19. Stars measure attention, not fit; read the Catch.
- What is the catch with AG2?
- Vs microsoft/autogen (maintenance; MS points new work to Microsoft Agent Framework) and LangGraph/CrewAI: AG2 is the community AutoGen fork, not Microsoft’s enterprise successor.