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bb vs Maestro: catalog facts
bb	Maestro
Free Free and described as fully open source; the agents it drives may have their own costs.	Free Free and open source under AGPL-3.0; you pay your AI providers separately.
macOS, Linux, Command line	macOS
Works with many coding agents from one interface Runs tasks in isolated Git worktrees	Runs several coding agents in parallel with isolated contexts Auto Run executes specification documents unattended
No native Windows build; Windows needs WSL Relies on external agents and their subscriptions or API keys	Requires separately installed and paid agent tools Feature-dense interface aimed at power users
Downloadable app	Downloadable app
Open source	Open source
License not stated	License: AGPL-3.0
Not stated if an account is needed	Not stated if an account is needed
Not stated if it works offline	Needs internet
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked October 1, 2026

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