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bb vs Maestri: catalog facts
bb	Maestri
Free Free and described as fully open source; the agents it drives may have their own costs.	Free Free to download.
macOS, Linux, Command line	Windows, macOS, Linux
Works with many coding agents from one interface Runs tasks in isolated Git worktrees	Visual canvas showing all agents and their roles Agents can pass work to each other directly
No native Windows build; Windows needs WSL Relies on external agents and their subscriptions or API keys	Mac version requires Apple Silicon and macOS 15.4 or later Useful mainly if you already run several AI agents
Downloadable app	Downloadable app
Open source	Closed source
License not stated	License not stated
Not stated if an account is needed	Not stated if an account is needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked October 2, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.