OpenConnect

OpenConnect is a cross-platform multi-protocol SSL VPN client which supports a number of VPN protocols:

Free software · infradead.org

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What OpenConnect’s own pages say

What it says it doesOpenConnect is a cross-platform multi-protocol SSL VPN client which supports a number of VPN protocols: infradead.org
LicenseOpenConnect is released under the GNU Lesser Public License, version 2.1 . infradead.org

Each value is a quote AirStack found on the product’s own pages, read 2026-11-05. A missing field means AirStack has not found it on its pages.