Compare software

OpenConnect vs FortiClient VPN: catalog facts
OpenConnectFortiClient VPN
Free

Free and open source under the GNU LGPL 2.1.

Freemium

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

Linux, Command line Windows, macOS, Linux, Android, iOS
  • Works with many vendors' SSL VPN servers
  • Supports certificates on TPMs and PKCS#11 smartcards
  • Supports both SSL and IPsec VPN tunnels to FortiGate
  • Same client covers ZTNA and endpoint protection
  • Command-line tool; graphical use depends on separate front ends
  • Not supported by the VPN vendors themselves
  • Only useful with Fortinet gateways
  • Advanced features require organisation licensing
Downloadable app Downloadable app
Open source Closed source
License: LGPL-2.1 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.