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transfer.sh vs PicoShare: catalog facts
transfer.sh	PicoShare
Free Free and open source under the MIT licence.	Free Free to run on your own server.
Self-hosted, Command line	Web, Self-hosted
Upload and download with plain curl Download limits and expiry per file	Direct download links with no ads or sign-ups for recipients No file type or size restrictions
README warns of an IP filter and HTTP auth bypass via X-Forwarded-For spoofing Maintainers do not endorse any public instance; you need to host your own	Cannot sync writes across multiple instances Deliberately minimal feature set
Self-hosted	Self-hosted
Open source	Closed source
License: MIT	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 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.