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OpenConnectsnx-rs
Free

Free and open source under the GNU LGPL 2.1.

 Free

Free and open source under the GNU Affero General Public License version 3.

Linux, Command line Windows, macOS, Linux
  • Works with many vendors' SSL VPN servers
  • Supports certificates on TPMs and PKCS#11 smartcards
  • Supports IPsec and legacy SSL tunnels
  • Offers multiple login methods with MFA
  • Command-line tool; graphical use depends on separate front ends
  • Not supported by the VPN vendors themselves
  • Unofficial client for Check Point VPN
Downloadable app Downloadable app
Open source Open source
License: LGPL-2.1 License: AGPL-3.0-only
No account needed Not stated if an account is needed
Not stated if it works offline Not stated if it works offline

Checked September 23, 2026

Checked October 8, 2026

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