Side by side
CacheGuard-OS vs OpenNOP
Both stand on wan optimization software. Which one you can start free with, which one lets you read the code, and what each costs once you pay.
Free plan LinuxSelf-hostedWeb
Choose CacheGuard-OS if you need a free Linux network appliance combining traffic protection, VPN, filtering, caching, and WAN controls. Check the optional subscription and support terms if you need extended antivirus signatures, URL blacklists, or paid support across managed Gateways.
Visit CacheGuard-OS Free plan LinuxSelf-hosted
OpenNOP offers TCP compression and two deployment approaches for Linux networks. Its Alpha label, old listed update, and unfinished features are important considerations.
Visit OpenNOPThe facts
| CacheGuard-OS | OpenNOP | |
|---|---|---|
| Free plan | Yes | Yes |
| Open source | Not published | Not published |
| Runs on | Linux, Self-hosted, Web | Linux, Self-hosted |
| Lowest paid plan | Free or on request | Free or on request |
| Plans published | 1 | 1 |
| Maker | Not published | Not published |
| Website | cacheguard.com | opennop.org |
| On wan optimization software | #1 of 19 | #3 of 19 |
CacheGuard-OS: what it does well
- Combines firewall, VPN, WAF, caching, antivirus inspection, and traffic shaping.
- Installs on bare-metal or virtual x86 and x64 machines.
- Offers CLI and browser-based Web GUI configuration.
- Manager can centrally manage multiple Gateways.
- Free editions include a 10-user Gateway and a two-Gateway Manager.
What to know first
- URL blacklists and extended antivirus signatures require optional subscriptions.
- Standard and Premium support require paid subscriptions.
- Support contracts cover one appliance serial number; a Manager contract excludes its Gateways.
OpenNOP: what it does well
- Free and open source under GPLv3.
- Supports inline and policy-based routing deployments.
- Compresses TCP segment payloads with LZ.
- Includes a prebuilt appliance image option.
What to know first
- SourceForge labels the project Alpha.
- Last update is listed as 2015-12-28.
- A web interface remains listed as todo.
- Custom hosts require listed Linux libraries.
Alternatives to CacheGuard-OS Alternatives to OpenNOP The whole list