Resources:
Pligg
Pligg sites are digg clones. Pligg sites would give huge traffic. Pligg is a script for social bookmarking sites. They're a good place to get backlinks from. Pligg is an open source web content management system (CMS) based on PHP/MySQL. You get the core product for free and some templates, modules etc, available to buy at the Pligg Pro Shop. Click Here to get pligg site for free.
Scuttleplus
Scuttleplus is a modified version of the Scuttle social bookmarking system. Like pligg, Scuttleplus also an open source content management system (CMS).
Scuttle
Scuttle is a script you would install on your server to submit to social bookmark sites. It appears to be a script that makes your website a clone of delicious like bookmarking sites. Scuttle bookmarking sites give do-follow links to those that bookmark their sites with them. It's one of popular social bookmarking program. Click Here to get a scuttle script for free.
Phpdug
Users can rate and comment on stories or sites posted by your users just like digg.com. Phpdug is in fact a lightweight php based social bookmarking script. Phpdug is more similar to delicious social bookmarking project. Click Here to get phpdug script for free.
HotaruCMS
Hotaru CMS is an open source social bookmarking platform written in PHP. It's just another open source Digg clone, similar to Pligg.. Click here to get HotaruCMS script for free.
Click Here to get List of Pligg, ScuttlePlus, Scuttle, PhpDug & HotariCMS Sites
