ExpressionEngine is a highly flexible, feature-rich web publishing system that empowers individuals, organizations, and companies around the world to create dynamic, content-driven websites.

Indexu is a general purpose directory script. If you're familiar with web directory like Google Directory (http://dir.google.com), then you may use Indexu to create such website. But this is just the basic idea. For more advance use, you may create a niche directory such as camping directory, web host directory, directory of directory, and anything as long as the content is classified into categories. Not only that, with integration of payment system you can earn money by charging for a listing fee, which ever it's basic listing, premium listing, or sponsored listing.

vbWiki Pro is an enhanced version of vbWiki. In addition to all the functionality found in vbWiki, vbWiki Pro adds a set of advanced features which enable a more seamless integration between vBulletin and MediaWiki; including using the forum style/template in all the wiki pages, templates can be edited from within vBulletin template editor, control for all vbWiki Pro and most MediaWiki settings from vBulletin's Admin Control Panel and much more.

vBPicGallery is an extension of vBulletin 3.6 software that adds a members photo gallery to your vBulletin forum.

Introducing you to the unique brand new version of iFdate ... V.2.0!. With loads of great new features, wonderful design, fab functions, your users will be able to create & customize their very own profile page, upload pictures, music, videos, rate users, keep blogs, sign guestbooks, upgrade their account and so much more, iFdate gives you the best performance on what a community site needs!

aptgp Lite is a fully automated TGP management system programmed in PHP for use with MySQL. The unique aptgp template engine supports virtually any publishing format; Text TGP and MGPs, Thumb TGP and MGPs, RSS feeds, XML, Blogs, and more. This system will revolutionize how you manage your TGP data and afford you maximum control over gallery publishing.

I just got Babelogger V3 because I thought that it included a referral script with auto-approval for those with a specific number of in clicks. However this does not appear to be a feature, so I need someone to modify my script to inlclude a referral page, and auto approval for those with enough in clicks.

If you're looking for examples check out these websites (adult):
http://www.sexxxomania.com
http://www.sexpornpro.com/

I have seen many sites modified in this way and do not believe it will be difficult for experienced programmers.

vBlogetin is an advanced blogging tool for vBulletin.

Provide real-time customer support and visitor communication directly on your site. With PHP Live Helper you can provide human interaction to visitors allowing you to close a sale , provide customer support or simply answer a question they may have. With no need for extra software, you can provide this from any computer, anywhere.