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.
Burp Suite
Burp Suite is an integrated platform for performing security testing of web applications.
ClearOS
A very good alternative for Windows Server, for free
Damballa
Damballa discovers active threats that bypass all security prevention layers.
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.
NethServer
NethServer is an operating system for Linux enthusiasts, designed for small offices and medium…
Psiphon
Psiphon is circumvention software for Windows and Mobile platforms that provides uncensored access to Internet content. Read more about Psiphon.
Sophos UTM
Sophos UTM integrates complete security software within a single appliance.
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