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5 Best Open Source Cisco Secure Access Alternatives

A curated collection of the 5 best open source and self-hosted alternatives to Cisco Secure Access in 2026.

Looking for a free, privacy-friendly, or self-hosted replacement for Cisco Secure Access in 2026? The top open-source alternative is Tailscale — Deploy a modern WireGuard-based VPN with zero configuration. Connect devices securely across clouds, VPCs, and on-premises networks without firewall rules..

Other highly rated open-source Cisco Secure Access alternatives include Netbird, Pangolin and OpenVPN.

35,633

Deploy a modern WireGuard-based VPN with zero configuration. Connect devices securely across clouds, VPCs, and on-premises networks without firewall rules.

Tailscale preview

Deploy a modern WireGuard-based VPN with zero configuration. Connect devices securely across clouds, VPCs, and on-premises networks without firewall rules.

28,678

Open source platform combining WireGuard overlay networks with Zero Trust access controls. Features SSO, MFA, device posture checks, and granular policies for secure remote connectivity.

Netbird preview

Open source platform combining WireGuard overlay networks with Zero Trust access controls. Features SSO, MFA, device posture checks, and granular policies for secure remote connectivity.

22,502

Deploy zero trust access to infrastructure, self-hosted apps, and SaaS tools in days. Identity-aware security with seamless user experience.

Pangolin preview

Deploy zero trust access to infrastructure, self-hosted apps, and SaaS tools in days. Identity-aware security with seamless user experience.

14,442

Secure remote access VPN solutions with zero trust network access. Self-hosted and cloud-managed options for businesses of all sizes. Trusted by 20,000+ organizations.

OpenVPN preview

Secure remote access VPN solutions with zero trust network access. Self-hosted and cloud-managed options for businesses of all sizes. Trusted by 20,000+ organizations.

9,042

Replace your VPN with zero-trust access built on WireGuard. Fast, scalable network security with simple policies and identity provider integration.

FireZone preview

Replace your VPN with zero-trust access built on WireGuard. Fast, scalable network security with simple policies and identity provider integration.

About Cisco Secure Access

Zero-trust network access solution that securely connects users to applications and resources from any location while maintaining comprehensive visibility and control.