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FortiClient VPN vs OpenConnect: catalog facts
FortiClient VPN	OpenConnect
Freemium A basic VPN client is free to download; the unified agent features are licensed through…	Free Free and open source under the GNU LGPL 2.1.
Windows, macOS, Linux, Android, iOS	Linux, Command line
Supports both SSL and IPsec VPN tunnels to FortiGate Same client covers ZTNA and endpoint protection	Works with many vendors' SSL VPN servers Supports certificates on TPMs and PKCS#11 smartcards
Only useful with Fortinet gateways Advanced features require organisation licensing	Command-line tool; graphical use depends on separate front ends Not supported by the VPN vendors themselves
Downloadable app	Downloadable app
Closed source	Open source
License not stated	License: LGPL-2.1
Not stated if an account is needed	No account needed
Needs internet	Not stated if it works offline
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked September 23, 2026

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