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Brows3 vs CS Browser: catalog facts
Brows3	CS Browser
Free Free and open source under the MIT license.	Freemium Free as freeware, with a paid Pro version offering more features.
Windows, macOS, Linux	Windows
Supports many S3-compatible providers and custom endpoints Works with AWS SSO profiles and direct s3:// paths	Works with Amazon S3, Glacier and S3-compatible services Bucket and file permission management in a GUI
Pre-1.0 version numbering Limited to S3-style object storage, not FTP or SFTP	Windows only Some features reserved for the paid Pro version
Downloadable app	Downloadable app
Open source	Closed source
License: MIT	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 September 23, 2026

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