Compare software

defguard vs OpenVPN Access Server: catalog facts
defguard	OpenVPN Access Server
Freemium Free to try and open source, with paid enterprise plans.	Freemium Free for two simultaneous VPN connections; more connections need a paid plan.
Linux, Self-hosted	Linux, Self-hosted
MFA enforced on each WireGuard connection LDAP, Active Directory and OIDC integration	Runs entirely on your own server or cloud account Many authentication options including LDAP, RADIUS and SAML with TOTP
Aimed at organisations, more than a single user needs Some features sit in paid enterprise plans	Proprietary, unlike the OpenVPN Community edition Aimed at businesses, with paid plans for more users
Downloadable app, Self-hosted	Self-hosted
Open source	Closed source
License not stated	License: Proprietary
Not stated if an account is needed	Not stated if an account is needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked September 23, 2026

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