The CrewAI alternative Stop coding your crew.
Agents that build their own tools and run themselves. Free. Open source.
You run it vs it runs itself
CrewAI
EXTREMELY
48,210 actions today1 time you stepped in
What runs
Side by side
| EXTREMELY | CrewAI | |
|---|---|---|
| Steps decided by | The agent | Agents, inside the tasks you code |
| Missing integration | ✓ Builds it itself | Its tools, MCP, or you code one |
| Runs on | Your computer | Your app, or CrewAI's platform |
| AI | Your plan, keys or local model | Your keys, or Ollama / LM Studio |
| Open source | ✓ AGPL-3.0 | ✓ MIT |
| Price | Free | Free; platform free for 50 runs/mo |
CrewAI details from crewai.com, checked 5 November 2026.
Pick the right one
CrewAI if
- Full control in Python
- MIT licence
- Enterprise cloud, VPC or your infra
EXTREMELY if
- An agency, not a codebase
- Agents that build the tools they lack
- Running on the AI you already pay for
Questions
Is EXTREMELY a free CrewAI alternative? Yes. Open source (AGPL-3.0), runs on your own computer, on the AI you already have. Optional hosting is US$399 a year.
What's the difference between CrewAI and EXTREMELY? CrewAI is a Python framework: you code the agents, tasks and crews. EXTREMELY is a desktop app: agents get a job and a schedule, pick their own steps and build the tools they're missing.
Can I use CrewAI and EXTREMELY together? Yes. If your crew runs behind an HTTP endpoint, an agent can call it like any other tool.