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TunnelForgestrongSwan
Free

Free and open source under the GPL-3.0 licence.

 Free

Free under GPLv2, with commercial licensing available as an option.

Android Windows, macOS, Linux, Android, Self-hosted, Command line
  • Restores L2TP/IPsec connections on Android 12 and later
  • Works with existing servers without reconfiguring them
  • Thorough IKEv2 implementation with many IETF extensions
  • Runs on Linux, Android, FreeBSD, macOS and Windows
  • L2TP/IPsec with IKEv1 is an older protocol than WireGuard or IKEv2
  • Android only
  • Configuration requires solid IPsec knowledge
  • Mainly configured through files and the command line
Downloadable app Downloadable app, Self-hosted
Open source Open source
License: GPL-3.0-only License: GPL-2.0
Not stated if an account is needed No account 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.