NMapWin

Assess your network security by scanning ports

Wireshark

Professional network analyzer

RouterPassView

Discover the router passwords that you have forgotten

Easy Hide IP

Hide your IP address and your geographic location

Find MAC Address

A simple way to find out MAC addresses

WinBox

Management software for MikroTik routers

No-IP

Assign a name to your IP address

GFI LANguard

Check the vulnerabilities of your LAN network

Technitium MAC Address Changer

Change your network card's MAC

Hamachi

Tool to create virtual private networks

WinPcap

Library pack for network managers

Cisco Packet Tracer

Find out how a network behaves

DynSite

Automatically updates your dynamic IP, very useful for dynamic Internet connections

NetSpeedMonitor

Measure your Internet speed

Advanced IP Scanner

Analyze the computers connected to your local network

Hide IP

Maintaining your privacy is very simple with this program

Mambo

A complete content management system

e107

Powerful open source CMS

CMS Made Simple

Create your personal blog on the Internet

WordPress

Free CMS for blog and website creation

BuddyPress

Create a social network on your WordPress blog

Newscoop

Online CMS for information professionals

SilverStripe

Manage web contents with an easy-to-use CMS

Embed Facebook

Embed Facebook contents within WordPress pages

WordPress.com

The CMS par excellence arrives on the desktop

Alfresco

Open source content management system

blogBuddy

Publish your blog with this desktop client

Free YouTube Uploader

Upload several videos to YouTube simultaneously

Drupal

Manage the publications of your web page

Disqus

Blog and webpage comment system

Simple Machines Forum

Create and manage your own Internet forum