NethServer is described as 'Application manager for Linux servers. The product's main feature the ability to easily and quickly install and manage instances of applications over multiple nodes. It allows users to deploy services, like [Nextcloud](https://alternativeto' and is a server management tool in the security & privacy category. There are more than 10 alternatives to NethServer for a variety of platforms, including Linux, Self-Hosted, Web-based, BSD and VirtualBox apps. The best NethServer alternative is YunoHost, which is both free and Open Source. Other great apps like NethServer are pfSense, Sandstorm, StartOS and Cloudron.
CacheGuard Gateway is a free, open-source network security appliance for startups, growing businesses, and SMEs/SMBs that need enterprise-grade protection without the complexity or cost.
SME Server is a leading distribution for small and medium enterprises. It stands apart from the competition by shipping with most common functionality preconfigured and features a number of popular additional enhancements in the form of downloadable contributions.
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A better solution for simpler, lower maintenance requirements.