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OpenVPN Community vs Viscosity: catalog facts
OpenVPN Community	Viscosity
Free The Community Edition is free and open source under the GPL 2.0. OpenVPN Inc. also sells…	Paid One-time purchase of $16 after a 30-day free trial, no subscription.
Windows, macOS, Linux, Android, iOS, Command line	Windows, macOS
Supported by essentially every router, firewall and VPN provider Runs over TCP or UDP on any port, so it gets through restrictive networks	Native interface on both macOS and Windows Fine-grained DNS and routing control
Slower than WireGuard, with much more code to audit Configuration is genuinely complex if you are building a server	Paid after the trial OpenVPN only, no WireGuard
Downloadable app	Downloadable app
Open source	Closed source
License: GPL-2.0	License not stated
No account needed	No account needed
Works offline	Not stated if it works offline
Official website Full listing and sources Checked September 21, 2026	Official website Full listing and sources Checked September 23, 2026

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