The Activepieces alternative Stop building flows.
Agents that build their own tools and run themselves. Free. Open source.
You run it vs it runs itself
Activepieces
EXTREMELY
48,210 actions today1 time you stepped in
What runs
Side by side
| EXTREMELY | Activepieces | |
|---|---|---|
| Steps decided by | The agent | You, or an agent with tools you give |
| Missing integration | ✓ Builds it itself | Write a piece or add an MCP server |
| Runs on | Your computer | Activepieces cloud or your server |
| AI | Your plan, keys or local model | AI pieces, own keys from Plus |
| Open source | ✓ AGPL-3.0 | ✓ MIT (Community Edition) |
| Price | Free | Free plan, Plus $20/mo |
Activepieces details from activepieces.com, checked 5 November 2026.
Pick the right one
Activepieces if
- Same steps, every time
- Pieces work as MCP servers
- MIT-licensed core
EXTREMELY if
- You want an outcome, not a flow
- Agents working all night, unattended
- Running on the AI you already pay for
Questions
Is EXTREMELY a free Activepieces 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 Activepieces and EXTREMELY? Activepieces runs flows you build, plus agents that use the tools you give them. EXTREMELY runs autonomous agents that each have a job, pick their own steps, build the tools they're missing and keep going on a schedule.
Can I use Activepieces and EXTREMELY together? Yes. Activepieces pieces can run as MCP servers, and an EXTREMELY agent can use MCP tools.