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microsandbox vs Cua: catalog facts
microsandbox	Cua
Free The local runtime is free and open source under Apache-2.0; managed cloud access is by…	Free The open-source project is free to use.
Windows, macOS, Linux, Command line	Self-hosted, Command line
Separate kernel per sandbox for stronger isolation than containers No daemon, root or account needed locally	Sandboxed virtual machines keep agents away from your own desktop Supports fleets across several operating systems
Young project Cloud offering is still in private beta	Aimed at developers, not end users Requires your own AI model access and setup work
Downloadable app	Downloadable app, Self-hosted
Open source	Open source
License: Apache-2.0	License not stated
No account 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 September 26, 2026

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