Openfiler.

It is a NAS (Network-Attached Storage), which supports CIFS, FTP, NFS, RSYNC, iSCSI, local user authorization, Software RAID (0,1,5,6,10) all with a complete web interface configuration.

PfSense.

It is a BSD distribution based on FreeBSD and intended for use as a router, firewall and includes a long list of related features and a package system that allows greater expandability.

Zimbra Collaboration Suite.

It is a system innovative messaging and collaboration, providing administrators and users unmatched benefits. There is no doubt why Zimbra is the default choice of the growing market for messaging and collaboration servers based on Linux.

AvantFax.

It is a web application for managing faxes to send and receive faxes, has a friendly interface and easy management, allows users on any platform to view and send faxes without having to install special software.

Nagios, Cacti, Zabbix

It is a network monitoring system, which monitors the equipment (hardware) and services (software) that you specify, alerting them when their behavior is not desired.

ZoneMinder.

It is a set of applications that provide a complete video surveillance solution allowing capture, analyze, record and monitor any CCTV camera, IP Cameras, Webcam, etc. plugged into a Linux-based machine.

Bacula.

It is a collection of tools to support very large, able to cover efficiently the needs of support equipment under IP networks. It is based on a client / server architecture that is very effective and easy to handle.

Squid.

Proxy is an application. What is a Proxy? A program or a device that performs an action in any way on behalf of another. This means that a proxy server is to allow internet access to all our network equipment, especially when we have a single public IP to surf the web.

OTRS.

It is a web application to provide online support to the use of supporting multi-agent tickets. The application can automatically convert e-mails in support tickets (e-mail piping) which eliminates "the need to use the web interface" for customers.

OpenVPN.

Is a solution for the creation of SSL-based VPNs, which allow you to connect remote offices securely, you can also give users secure remote access to mobile services in your private network LAN. Based on open standards SSL / TLS and open source OpenVPN.