OpenSnitch vs Palo Alto Networks Software Firewalls: side-by-side comparison (2026)

OpenSnitch: OpenSnitch is a GNU/Linux application firewall with interactive outbound connections filtering and system-wide domain blocking capabilities.

Palo Alto Networks Software Firewalls: Software firewalls for multicloud workload protection with Layer 7 threat prevention. Built by Palo Alto Networks.

The table above shows where their features, integrations, deployment and company size fit differ.

OpenSnitch is open-source with 12,981 GitHub stars. Palo Alto Networks Software Firewalls is made by Palo Alto Networks. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.

Often, yes. OpenSnitch and Palo Alto Networks Software Firewalls are both Next-Gen Firewalls products. Key differences: OpenSnitch is Free while Palo Alto Networks Software Firewalls is Commercial, OpenSnitch is open-source. Use the table above to see where features, deployment and company size fit differ.