Compare the Top Secure Web Gateways for Startups as of October 2026

What are Secure Web Gateways for Startups?

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 Secure Web Gateways for Startups currently available using the table below. This list is updated regularly.

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    CacheGuard

    CacheGuard

    CacheGuard Technologies

    CacheGuard-OS is a free, open-source Linux-based network security appliance OS that turns any standard x86 machine into a UTM gateway. It sits between your devices and your ISP router, becoming the checkpoint for all internet traffic — no IT team required. Open-source since its first release, CacheGuard-OS includes: stateful firewall, web antivirus (ClamAV), URL filtering, SSL inspection, WAF (ModSecurity), VPN server (StrongSwan), web cache (Squid), QoS (IPRoute2), and WAN load balancing. It installs on bare metal or any common hypervisor in under an hour. Configuration is handled through a web-based admin interface with no command-line expertise needed. Built for small businesses, schools, and sysadmins who need production-grade network security on commodity hardware.
    Starting Price: $0
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