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strongSwanFortiClient VPN
Free

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

 Freemium

A basic VPN client is free to download; the unified agent features are licensed through…

Windows, macOS, Linux, Android, Self-hosted, Command line Windows, macOS, Linux, Android, iOS
  • Thorough IKEv2 implementation with many IETF extensions
  • Runs on Linux, Android, FreeBSD, macOS and Windows
  • Supports both SSL and IPsec VPN tunnels to FortiGate
  • Same client covers ZTNA and endpoint protection
  • Configuration requires solid IPsec knowledge
  • Mainly configured through files and the command line
  • Only useful with Fortinet gateways
  • Advanced features require organisation licensing
Downloadable app, Self-hosted Downloadable app
Open source Closed source
License: GPL-2.0 License not stated
No account needed Not stated if an account is needed
Not stated if it works offline Needs internet

Checked September 23, 2026

Checked October 2, 2026

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