Best Free Zero Trust Network Access (ZTNA) Solutions
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Compare the Top Free Zero Trust Network Access (ZTNA) Solutions as of September 2026
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What are Free Zero Trust Network Access (ZTNA) Solutions?
Zero Trust Network Access (ZTNA) solutions provide secure access to applications, systems, and organizational resources based on user identity, device posture, context, and continuously evaluated security policies rather than traditional network location. These solutions follow zero trust principles by authenticating and authorizing each connection and limiting users to only the specific resources they are permitted to access. ZTNA platforms often include identity-based access controls, device verification, least-privilege access, application segmentation, continuous authentication, policy enforcement, encrypted connectivity, and activity monitoring. Many ZTNA solutions integrate with identity and access management (IAM), endpoint security, mobile device management (MDM), security information and event management (SIEM), and Secure Access Service Edge (SASE) platforms to provide unified access security across cloud, on-premises, and hybrid environments. By replacing or supplementing traditional VPN-based access with application-specific controls, ZTNA solutions help organizations reduce attack surfaces, secure remote and hybrid workforces, and prevent unauthorized access to sensitive resources. Compare and read user reviews of the best Free Zero Trust Network Access (ZTNA) solutions currently available using the table below. This list is updated regularly.
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1
Cisco Duo
Cisco
Cisco Duo is a cloud-based identity security solution that protects organizations from identity-based threats and boosts workforce productivity. Trusted by over 40,000 organizations worldwide, Duo delivers an exceptional access management experience across all users, devices, and applications, making access to resources secure, seamless, and easy. Duo with Cisco Identity Intelligence provides deep visibility across your identity ecosystem, adding a powerful security layer to any identity infrastructure. Offer users a world-class access experience through Duo Passport to eliminate MFA friction and fatigue without sacrificing security. To stop threats, Duo verifies user identities with strong authenticators including Duo passwordless, Verified Duo Push with number matching, and phishing-resistant factors like biometrics and FIDO2 security keys. Paired with deep insights into users’ devices, Duo gives you the control to adaptively limit access based on device health or user risk.Starting Price: $3 per user per month -
2
Mamori Server
Mamori.io
Mamori Server is an all-in-one data security solution that integrates ZTNA, 2FA, DAM, PAM, SQL Firewall and data privacy solutions. Not only does it extend PAM to the database (DBPAM), it also uses Zero Trust security to protect business data, which prevents cyber attacks and data theft, helps meet compliance, privacy, and cyber insurance requirements, and simplify DevOps & access to resources. Mamori Server is extremely simple to deploy. No agents required. No changes to servers, directories, or databases required. Mamori Server can be deployed in the cloud or on-premise, and can be self-hosted or as a managed cloud service. For businesses with under 20 staff, Mamori Server can be used for free.Starting Price: $120/month/user -
3
OpenVPN Access Server
OpenVPN
OpenVPN Access Server is a self-hosted Zero Trust Network Access (ZTNA) and business VPN solution that gives organizations full control over their own secure network. It's software organizations deploy directly into their own environment — on-premises hardware or their own cloud account on AWS, Azure, Google Cloud, or others — with tunnel traffic flowing directly between users and the server. With Access Server Link, teams can go from zero to a fully configured deployment in minutes: point-and-click setup across AWS, Azure, and GCP, automatic SSL certificate provisioning and renewal, and a web-based admin portal for managing users, certificates, and access — no SSH or manual DNS work required. Access is granted per application and per identity using domain names rather than broad network-level access, so users only reach what they're explicitly permitted to, and lateral movement is structurally blocked.Starting Price: Free Up to 2 connections -
4
CloudConnexa
OpenVPN
CloudConnexa is OpenVPN's cloud-delivered Zero Trust Network Access (ZTNA) platform that also delivers core Security Service Edge (SSE) capabilities, replacing legacy VPN infrastructure with a fully managed, cloud-native service. Signing up provisions a private overlay network spanning 30+ global regions in a full-mesh topology for low-latency, redundant connectivity. Network and Host Connectors attach private networks, servers, and IoT devices, while OpenVPN tunnels (with Data Channel Offload for higher throughput) secure remote-user, site-to-site, and internet access. Identity-based access rules, integrated with SAML, LDAP, and SCIM, ensure users reach only authorized resources. Built-in Cyber Shield adds DNS content filtering, IDS/IPS, device identity verification, and 2FA. Domain-based routing cloaks server IPs for microsegmentation. It's all managed from one cloud dashboard, giving organizations scalable, zero-trust connectivity without running their own VPN servers.Starting Price: Free up to 5 seats -
5
XplicitTrust Network Access
XplicitTrust
XplicitTrust Network Access is a Zero Trust Network Access (ZTNA) solution that provides secure, seamless access to applications regardless of location for users working from anywhere. It provides identity-based access control that integrates with existing identity providers for single sign-on (SSO) and multi-factor authentication (MFA) using factors such as user identity, device security, location and time. The platform includes real-time network diagnostics and centralized asset management for better oversight. Clients require no configuration and the solution is compatible with platforms including Windows, MacOS and Linux. XplicitTrust uses strong encryption, end-to-end protection, automatic key rotation and context-aware authentication to provide robust security. It also supports scalable application access and secure connections for IoT, legacy applications and remote desktops, making it versatile for today's security needs.Starting Price: $5/month/user -
6
Pomerium
Pomerium
Pomerium is a secure, clientless solution that enables seamless access to web applications and services without the need for a corporate VPN. Designed to enhance developer productivity, it eliminates complex user access flows that can hinder workflow. Unlike traditional client-based tunneling solutions, Pomerium offers lightning-fast connections with minimal latency, ensuring security and privacy without compromise. It leverages contextual data for access control decisions, implementing continuous verification—a zero trust concept where every action is verified for contextual factors before being accepted or denied. This approach contrasts with NextGen VPNs, which only verify authentication and authorization at the start of a session. Pomerium supports secure access to web apps, databases, Kubernetes clusters, internal tools, and legacy applications, making it suitable for individuals and teams of all sizes.Starting Price: $7 per month -
7
Cloudflare Zero Trust
Cloudflare
Stop data loss, malware and phishing with the most performant Zero Trust application access and Internet browsing platform. The traditional tools used to connect employees to corporate apps grant excessive trust, exposing you to potential data loss. The corporate perimeter has become more difficult to control with complex, conflicting configurations across your VPNs, firewalls, proxies, and identity providers. It’s never been harder to parse out logs, and make sense of how users access sensitive data. Your employees, partners, and customers need a network that is secure, fast and reliable to get work done. Cloudflare Zero Trust replaces legacy security perimeters with our global edge, making the Internet faster and safer for teams around the world. Enforce consistent access controls across cloud, on-premise and SaaS applications.Starting Price: $7 per user per month -
8
FerrumGate
FerrumGate
FerrumGate is an Open source Zero Trust Network Access (ZTNA) project, that uses advanced identity and access management technologies to ensure secure access to your network and applications. With multi-factor authentication, continuous monitoring, and granular access controls. You can use it for Secure remote access, Cloud security, Privileged access management, Identity and access management, Endpoint security, IOT connectivity.
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