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crabdrop vs Rclone UI: catalog facts
crabdrop	Rclone UI
Free Free and open source under the MIT license.	Free Free and open source.
Windows, macOS, Linux	Windows, macOS, Linux
Works with AWS S3, Cloudflare R2, and MinIO Supports folder and drag-and-drop uploads	Graphical front end for rclone's cloud storage support Works with S3 storage
Requires access to an S3-compatible storage service	Depends on rclone for the actual transfers Documentation lives mainly in the repository README
Downloadable app	Downloadable app
Open source	Open source
License: MIT	License not stated
Not stated if an account is needed	No account needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked October 8, 2026	Official website Full listing and sources Checked September 24, 2026

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