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ZeroShell

Zeroshell is a Linux distribution for servers and embedded devices aimed at providing the main…

19 Alternatives To ZeroShell

Alert Logic Threat Manager

Alert Logic Threat Manager is a cloud-based managed intrusion detection and vulnerability assessment solution.
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Burp Suite

Burp Suite is an integrated platform for performing security testing of web applications.
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ClearOS

A very good alternative for Windows Server, for free

Damballa

Damballa discovers active threats that bypass all security prevention layers.

Endian Firewall Community

Endian Firewall Community (EFW) is a “turn-key” linux security distribution that turns…

Freesco

FREESCO was developed in the open source tradition as an alternative to routing products offered by…
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IPCop

IPCop Firewall is a Linux firewall distribution geared towards home and SOHO (Small Office/Home…

IPFire

IPFire is a server distribution with intended to use as a firewall. IPFire is a hardened, versatile, state-of-the-art Open Source firewall based on Linux. Its ease of use, high performance in any scenario and extensibility make it usable for everyone.

Jott Messenger

Text friends online and offline
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LibreMesh

An Open Source Sofware for Geek-free Mesh Community Networks.

MikroTik RouterOS

The main product of MikroTik is a Linux-based operating system known as MikroTik RouterOS.

NethServer

NethServer is an operating system for Linux enthusiasts, designed for small offices and medium…
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OpenWrt

OpenWrt is an open-source firmware based on Linux for wireless routers
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Psiphon

Psiphon is circumvention software for Windows and Mobile platforms that provides uncensored access to Internet content. Read more about Psiphon.
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SmoothWall

Smoothwall Express Open Source Firewall distribution

Sophos UTM

Sophos UTM integrates complete security software within a single appliance.

Untangle

Untangle is a platform for deploying network based applications.
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VyOS

VyOS in an open source Linux-based operating system sold and distributed by Sentrium corporations. It is geared toward IT specialists and network administrators for the purpose of securing network and company data… read more.

pfSense

pfSense is a free and open source firewall and router that also features unified threat management, load balancing, multi WAN, and more