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NetExtender vs OpenConnect: catalog facts
NetExtender	OpenConnect
Free The client is a free download; it requires access to a SonicWall firewall.	Free Free and open source under the GNU LGPL 2.1.
Windows, Linux	Linux, Command line
Gives remote users access to network drives and internal applications Windows and Linux builds available	Works with many vendors' SSL VPN servers Supports certificates on TPMs and PKCS#11 smartcards
Only useful with a SonicWall appliance Older versions require a MySonicWall login to download	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 1, 2026	Official website Full listing and sources Checked September 23, 2026

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