Compare the Top Free Secure Web Gateways as of February 2026

What are Free Secure Web Gateways?

Secure web gateways protect users and organizations from online threats by monitoring and controlling web traffic between internal networks and the internet. They filter malicious websites, block unauthorized access, and prevent data leaks by enforcing security policies in real time. These gateways use technologies such as URL filtering, malware scanning, sandboxing, and data loss prevention to safeguard users across devices and locations. Cloud-based versions extend protection to remote and hybrid workforces without relying on traditional network perimeters. Ultimately, secure web gateways ensure safe, compliant, and controlled internet access while maintaining high performance and user productivity. Compare and read user reviews of the best Free Secure Web Gateways currently available using the table below. This list is updated regularly.

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    CacheGuard

    CacheGuard

    CacheGuard Technologies

    CacheGuard-OS transforms a virtual or bare metal machine into a powerful and easy to handle network appliance. It's a Linux based Operating System built from scratch and especially designed to Secure and Optimize the network traffic. Great care has been taken by CacheGuard-OS developers to select the best of the best Open Source technologies to integrate into CacheGuard-OS. The result is a robust and trustworthy solution that can be up and running within minutes. CacheGuard-OS integrates Open Source software such as but not limited to OpenSSL, NetFilter, IProute2, StrongSwan, ClamAV, Apache, ModSecurity, Squid and Open Source developments made by CacheGuard-OS developers.
    Starting Price: $0
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