| OpenVPN Access Server | OpenVPN lists point-to-site remote access and site-to-site VPN.[1] | OpenVPN describes role-based personalized application access.[2] | OpenVPN lists site-to-site VPN.[1] | Not documented[2] |
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| Tailscale | Tailscale describes access to business apps and entire networks through subnet routers.[3] [4] | Tailscale describes identity-based access to internal apps without public exposure.[3] [3] | Tailscale documents subnet-router connections between entire networks and physical locations.[4] | Tailscale delegates SSO to supported identity providers and applies their MFA policy to Tailscale.[5] [5] |
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| NetBird | NetBird describes secure network access for remote users and site-to-site connectivity.[6] | Not documented[6] | NetBird says it connects VPCs and on-premises sites.[6] | NetBird documents MFA and identity-provider sign-in.[6] [7] |
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| GoodAccess | GoodAccess describes secure remote access to private networks and access to applications.[8] | GoodAccess lists zero-trust access control and identity-aware access to systems and applications.[8] | Not documented[9] | GoodAccess lists multi-factor authentication and SSO.[9] |
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| Firezone | Firezone describes access to servers and apps through its zero-trust service.[10] | Firezone describes identity-linked access to servers and applications.[10] [10] | Not documented[10] | Firezone lists email authentication and OpenID Connect authentication.[11] [11] |
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| Cloudflare Access | Cloudflare documents access policies for private applications and private networks.[12] | Cloudflare Access provides identity-first zero trust access to private applications.[12] | Not documented[12] | Not documented[12] |
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| F5 BIG-IP Zero Trust Access | F5 describes access to individual apps, networks, and other resources.[13] | F5 documents identity-aware, per-request access to applications.[13] | F5 documents IPSec VPN for site-to-site and client-to-site connections.[13] | F5 documents step-up MFA and single sign-on.[13] [13] |
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| FortiClient | Fortinet describes VPN and ZTNA encrypted tunnels for remote access.[14] | Fortinet documents ZTNA tunnels with SSO and device posture checks to the FortiOS access proxy.[14] | Not documented[14] | Fortinet documents MFA for remote access VPN and SSO for its Zero Trust Agent.[14] |
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| NordLayer | NordLayer lists business VPN, remote access VPN, and site-to-site VPN for company networks.[15] | Not documented[16] | NordLayer describes site-to-site VPN for connecting multiple offices securely.[15] | Users are verified via SSO and MFA.[17] |
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| ZeroTier | ZeroTier describes software-defined networking that connects people, devices, and clouds.[18] | Not documented[19] | ZeroTier documents routed Layer 3 networking across cloud, private data-center, on-premises, and remote-device environments.[20] | Not documented[18] |
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| Pritunl | Pritunl describes remote-user access to private networks.[21] [21] | Not documented[21] | Pritunl describes site-to-site and gateway links.[21] | Pritunl documents two-step authentication with TOTP and push notifications, plus single sign-on.[22] [22] |
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| Sophos ZTNA | Sophos ZTNA provides users access to the specific applications they need.[23] | Sophos describes least-privilege access to applications for specific users.[23] | Not documented[23] | Sophos requires multi-factor authentication to verify identity.[23] |
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| Microsoft Entra Private Access | Microsoft Entra Private Access covers private applications, corporate networks, and multicloud resources.[24] | Per-app access limits the configured Global Secure Access app to a subset of private resources and applies Conditional Access policies.[25] [25] | Not documented[24] | Microsoft Entra Private Access uses Conditional Access, which can require Microsoft Entra multifactor authentication.[25] [26] |
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| OpenVPN CloudConnexa | OpenVPN describes private application access and remote access and site-to-site VPN.[27] | CloudConnexa lists secure access to private apps.[27] | OpenVPN describes CloudConnexa as a site-to-site VPN.[27] | Not documented[27] |
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| GlobalProtect | GlobalProtect provides secure remote access to the network for mobile users.[28] [28] | Not documented[28] | Not documented[28] | Two-factor authentication and SAML authentication are listed.[29] [29] |
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| Cisco Secure Access | Cisco describes ZTNA access to private apps and VPNaaS coverage for non-ZTNA-enabled apps.[30] | Cisco Secure Access uses least-privilege ZTNA policies to grant access to apps.[30] | Not documented[30] | Not documented[30] |
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| Check Point SASE Platform | Check Point describes connectivity for remote users, branches, and cloud applications.[31] | Not documented[31] | Not documented[31] | Not documented[31] |
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| Zscaler Private Access | Zscaler describes access to private applications from any device or location.[32] | Zscaler describes zero trust connectivity with user-to-app segmentation and context-aware policies.[32] | Not documented[32] | Not documented[32] |
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| Netmaker | Netmaker describes a remote-access gateway into a private network.[33] | Not documented[33] | Netmaker describes connecting and bridging local networks.[33] | Not documented[33] |
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