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VPN GateProton VPN
Free

Free of charge as a university research project.

 Freemium

The free tier has no data cap but limited countries and speeds. Paid plans add more…

Windows, macOS, Android, iOS Windows, macOS, Linux, Android, iOS, Browser extension
  • Free with no subscription
  • Works with standard L2TP/IPsec, OpenVPN and SSTP clients
  • A free tier with no data cap and no advertising
  • Clients are open source on every platform and independently audited
  • Servers are run by volunteers, so privacy depends on each operator
  • Speed and availability vary from server to server
  • An account is required, even for the free tier
  • Free tier covers few countries and slows down at peak times
Downloadable app, Hosted service Downloadable app, Browser extension
Closed source Open source
License not stated License: GPL-3.0
Not stated if an account is needed Account needed
Needs internet Works offline

Checked September 23, 2026

Checked September 21, 2026

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