Introduction to WAMP

WAMP is a bundled package of different software technologies for "Web development". It includes following components:
W- Windows (Operating System)
A- Apache (Web Server)
M- MySql (Database Manager)
P- PHP (Server side scripting language)
Other version's of WAMP are available like:
LAMP (Linux)
MAMP (Mac OS)
SAMP (Solaris)

Licensing and costs of WAMP/LAMP
WAMP/LAMP come under "open source" catagory, and "free" of cost. The package can be downloaded free of cost from

http://www.wampserver.com/en/
in addition to above mentioned tools, phpmyadmin is provided with the package to handle the MySql databases. The applications developed by using these packages are "platform independent" and can be shifted any type of server OS.