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Virtual Private Network (VPN) Solutions

VPN protocols, mesh networks, cloud gateways, firewall platforms and services for secure remote access and site-to-site connectivity.

32 topics•6 categories•Updated November 2026

VPN Protocols & Open-Source Servers

6 entries

Core VPN technologies you can run yourself.

01WireGuardFast, modern VPN protocol with a small codebase, built into the Linux kernel and available on Windows, macOS, iOS and Android. 02OpenVPNLong-established open-source VPN using TLS, with community and commercial editions, including the managed CloudConnexa service. 03strongSwanOpen-source IPsec VPN implementation supporting IKEv1 and IKEv2 for site-to-site and remote access. 04LibreswanOpen-source IPsec implementation for Linux supporting IKEv2 and used in many distributions. 05SoftEther VPNOpen-source multi-protocol VPN software supporting SSL-VPN, L2TP/IPsec, OpenVPN and more. 06PritunlOpen-source VPN server with a web interface for managing OpenVPN and WireGuard users and servers.

Mesh & Overlay VPNs

5 entries

Peer-to-peer private networks across devices and sites.

07TailscaleMesh VPN built on WireGuard that connects devices with identity-based access control and little configuration. 08NetBirdOpen-source zero-configuration mesh VPN built on WireGuard, with a management plane you can self-host. 09HeadscaleOpen-source, self-hosted implementation of the Tailscale control server. 10ZeroTierSoftware-defined virtual network that connects devices as if on one local network. 11NebulaScalable overlay networking tool from Slack with a focus on performance, simplicity and security.

Cloud & Firewall VPN

5 entries

Site-to-site and remote access built into cloud and network platforms.

12AWS Site-to-Site VPNManaged IPsec VPN connecting on-premises networks to AWS, with documentation for Client VPN as well. 13Azure VPN GatewayMicrosoft's service for site-to-site, point-to-site and VNet-to-VNet VPN connectivity. 14Google Cloud VPNGoogle Cloud's HA VPN for connecting on-premises or other cloud networks over IPsec. 15pfSenseOpen-source firewall and router platform with built-in IPsec, OpenVPN and WireGuard support. 16OPNsenseOpen-source firewall and routing platform with IPsec, OpenVPN and WireGuard VPN options.

Consumer & Privacy VPN Services

4 entries

Subscription services for personal privacy and public Wi-Fi protection.

17Proton VPNSwiss-based VPN service with open-source apps and published independent security audits. 18Mullvad VPNPrivacy-focused VPN service with anonymous account numbers and WireGuard support. 19NordVPNWidely used commercial VPN service with apps across major platforms. 20ExpressVPNCommercial VPN service with apps for desktop, mobile and routers.

Standards & References

3 entries

Specifications and guidance for planning and securing VPNs.

21NIST SP 800-77 Rev. 1NIST guide to IPsec VPNs covering architectures, protocols and recommendations. 22RFC 4301: IPsec ArchitectureIETF specification of the security architecture for the Internet Protocol. 23RFC 7296: IKEv2IETF specification of Internet Key Exchange version 2.

Related Pages

9 entries

Related directories on this site.

24VPN and ZTNA ProductsEnterprise VPN and zero trust network access vendors. 25Zero Trust Security SolutionsZero trust platforms. 26SASE PlatformsSecure access service edge platforms. 27Security Service Edge ProductsSSE products. 28SD-WAN ProductsSoftware-defined WAN products. 29Wireless SecuritySecuring wireless networks. 30Network Security MicrosegmentationLimiting lateral movement inside networks. 31IT NetworkingNetworking hub. 32CybersecurityHub of cybersecurity directories: SIEM, XDR, zero trust, cloud, application and AI security.

Frequently Asked Questions

What is a VPN?

A virtual private network creates an encrypted tunnel between a device or network and another network, protecting traffic on untrusted links and giving access to private resources.

What is the difference between remote access and site-to-site VPN?

Remote access VPN connects individual users and devices to a network. Site-to-site VPN connects whole networks, such as offices or cloud networks, usually with IPsec.

What is the difference between WireGuard, OpenVPN and IPsec?

WireGuard is a small, fast modern protocol. OpenVPN uses TLS and is highly configurable. IPsec, often with IKEv2, is a standards-based suite widely built into operating systems and network equipment.

What is a mesh VPN?

A mesh VPN connects devices directly to each other, often using WireGuard, with a control service handling keys and access policy. Tailscale, NetBird and ZeroTier are examples.

Is a VPN the same as zero trust?

No. A traditional VPN gives network-level access once connected. Zero trust network access grants access to specific applications after verifying identity and device posture. See the VPN and ZTNA Products page.

Does a consumer VPN make me anonymous?

No. It hides traffic from the local network and your ISP and changes your visible IP address, but the VPN provider can still see traffic metadata. Choose providers with independent audits and clear policies.

Should I self-host or use a service?

Self-hosting with WireGuard, OpenVPN or strongSwan gives control but needs maintenance and patching. Managed and mesh services reduce effort. Always keep VPN software updated, since VPN gateways are frequent attack targets.

How were these tools chosen?

The page lists widely used open-source protocols, mesh VPNs, cloud gateways, firewall platforms and consumer services. Listing is not an endorsement. Descriptions summarize each project's own documentation, so verify current features, pricing and licensing.