SemanticScuttle is a social bookmarking tool experimenting with new features like structured tags and collaborative descriptions of tags. Originally a fork of Scuttle, it has overtaken its ancestor in stability, features and usability.
AldoContent is a PHP/MySQL Content Management System focused on usability and simplicity. It's designed for multilingual Websites using gettext, can have public and private content. It uses plugins like Gallery, News, Comments and Sitemap.
Big social networks put many websites out of business: anyone can create a group, say, on Facebook, and it's much easier than to build and support whole Joomla website.
Now we want to get Joomla! web-masters back into the game, arming them with the same functionality major social networks have.
The GRA4 Social Network Extension for Joomla empowers your Joomla website with Social Networking features.
Joomla Social Network Demo:
http://joomla.ucq.me/gra4/activity
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Free Simple Blog is online journal software. Keeping in touch with friends, family, and/or clients is important. Free Simple Blog makes it easy to do with journal capabilities, photo sharing, content pages, email notifications, and RSS feeds.
Started as a social bookmarking platform aimed at education professionals. The system allows posting of links and files, liking posts, adding tags for semantic search etc. Very early stages of development - probably quite a few holes in the code!
To provide a simple to install multi-lingual, news based web content management system that will work as an application within Facebook out-of the-box by gathering, testing, translating and adapting, existing Open Source applications and extensions.