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Maestro vs Nimbalyst: catalog facts
Maestro	Nimbalyst
Free Free and open source under AGPL-3.0; you pay your AI providers separately.	Freemium Free for individuals; team and enterprise plans are offered, and you supply your own…
macOS	Windows, macOS, Linux
Runs several coding agents in parallel with isolated contexts Auto Run executes specification documents unattended	Runs several agent sessions in parallel Review, approve or reject each AI change
Requires separately installed and paid agent tools Feature-dense interface aimed at power users	Needs a separate Claude Code or Codex subscription or API key Collaboration features are aimed at paid team plans
Downloadable app	Downloadable app
Open source	Open source
License: AGPL-3.0	License not stated
Not stated if an account is needed	Not stated if an account is needed
Needs internet	Not stated if it works offline
Official website Full listing and sources Checked October 1, 2026	Official website Full listing and sources Checked October 1, 2026

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