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AlterSendBlip
Free

The client is open source under Apache-2.0; no paid tier is mentioned on the homepage.

 Free

Free to download; the homepage does not mention paid plans.

Windows, macOS, Linux, Android, iOS, Web Windows, macOS, Linux, Android, iOS
  • Files go device to device with no copy left on a server
  • Recipients can download from a browser link without installing anything
  • No file size limits
  • Resumes after interruptions
  • Both devices must be online at the same time for a direct transfer
  • Transfer speed depends on the sender's own connection
  • Closed source
  • Both sender and recipient need the app
Downloadable app, Web application Downloadable app
Open source Closed 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

Checked October 2, 2026

Checked September 23, 2026

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