Free Clone Scripts
Ja2BU
Ja2BU is an open source and free clone of Stack Overflow that will help you make your own question answer website. Download the script of Stack Overflow free and create your own knowledge portal. Comes with an SEO friendly system and users can add comments too.
Beatz
Now you can make your own fan music site or a website of your own local band free with this free GPL licensed Pure Volume clone script.
BuddyPress
This is a free open source ehow, Vkontake clone script that helps create social networking websites that lets people connect and interact with other people of same interests.
TartagalFlog
Create your own photo blog style website just Fotolog for free. Get Fotolog clone script here. This is a free open source photo blog that can handle lots of traffic.
Maian Music
This is a free PHP/MySQL based website that will help you create your music sharing website instantly.
Alpha-Bids
This is a free Dmoz clone website that comes with a bidding system. The users are allowed to improve the ranks by paying for a bid and they can also sort the lists in an alphabetical order.
MediaWiki Free Open Source
This is a free open source script for anyone who wants to create their own Wikipedia site. If you want to create a site similar to Wikipedia then MediaWiki is the best choice for creating a Wikipedia site for free. Many people are using this successfully.
Orbit Ad Server
Get a free easy to use and install Google Adwords, adsense and buysellsads.com clone script that will help you create your own advertising server. The free installation and support makes this one of the most wanted ad campaign and ad generating system. Create yours now!
PHP Classifieds
This site not only helps you create a professionally made classified website but also helps you do the marketing by providing you with SEO friendly links, a proper user management control, clean script and other features of a professional site.