Nagios is a powerful, enterprise-class host, service, application, and network monitoring program. Designed to be fast, flexible, and rock-solid stable. Nagios runs on *NIX hosts and can monitor Windows, Linux/Unix/BSD, Netware, and network devices.

smart and open source document management system

The open source, enterprise social platform

A Business Process Mangement (BPM) Suite and workflow engine

A free course management system (CMS) to create online learning sites

MBaaS and Mobile Application Development Platform for Enterprises

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Open Source Reporting & Data Visualization Platform

An easy-to-use anti-spam email gateway

Anti-Spam SMTP Proxy Server implements multiple spam filters

A script to find open Wi-Fi connections and the strongest signal

A web-based interface for system administration of UNIX

Enterprise-class, distributed monitoring solution for networks & apps

An easy to install Apache distribution containing MySQL, PHP, and Perl

The world's leading open source portal

A Windows password cracker based on rainbow tables

A next generation network attached storage (NAS) solution

A Mozilla-based browser designed for the 64-bit architecture

Easy-to-Use business intelligence (BI) for all

Command line tool for managing Amazon S3 and CloudFront services

AAC audio extractor for the FLV format

An enterprise class Web CMS written in PHP/MySQ

Open Source Unified Communications Server

An embedded Storage distribution for Windows, Mac, & UNIX-like systems

The automatic usenet download tool