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CS Browser vs crabdrop: catalog facts
CS Browser	crabdrop
Freemium Free as freeware, with a paid Pro version offering more features.	Free Free and open source under the MIT license.
Windows	Windows, macOS, Linux
Works with Amazon S3, Glacier and S3-compatible services Bucket and file permission management in a GUI	Works with AWS S3, Cloudflare R2, and MinIO Supports folder and drag-and-drop uploads
Windows only Some features reserved for the paid Pro version	Requires access to an S3-compatible storage service
Downloadable app	Downloadable app
Closed source	Open source
License not stated	License: MIT
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 September 23, 2026	Official website Full listing and sources Checked October 8, 2026

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