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strongSwanOpenVPN Community
Free

Free under GPLv2, with commercial licensing available as an option.

 Free

The Community Edition is free and open source under the GPL 2.0. OpenVPN Inc. also sells…

Windows, macOS, Linux, Android, Self-hosted, Command line Windows, macOS, Linux, Android, iOS, Command line
  • Thorough IKEv2 implementation with many IETF extensions
  • Runs on Linux, Android, FreeBSD, macOS and Windows
  • Supported by essentially every router, firewall and VPN provider
  • Runs over TCP or UDP on any port, so it gets through restrictive networks
  • Configuration requires solid IPsec knowledge
  • Mainly configured through files and the command line
  • Slower than WireGuard, with much more code to audit
  • Configuration is genuinely complex if you are building a server
Downloadable app, Self-hosted Downloadable app
Open source Open source
License: GPL-2.0 License: GPL-2.0
No account needed No account needed
Not stated if it works offline Works offline

Checked September 23, 2026

Checked September 21, 2026

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