SUMO Access Manager is a security system for PHP Web applications that can be added using only one line of code. Administrators can manage authentication and authorization for users, groups, and security policies with easy, all through an intuitive Web based interface. You can create users that can authenticate their password via LDAP, MySQL internal users, MySQL/PostgreSQL/Oracle generic users tables, and via Google Mail account.
Noostr is a content management system aimed squarely at social news networks. Sites like Reddit, Hacker News, and Digg are all social news aggregators, just like your Noostr site will be. People can sign in, submit news stories or ask questions, and everyone can vote for the best ones. Those top stories float to the front page and generate more traffic, more comments, and more votes.
Flixn Media Platform is a collection of Flash-based tools and backend utilities to facilitate the generation of rich Web media, and video in particular. It features components to enable recording from a webcam and/or microphone, uploading and transcoding of video, and feature-rich playback. The platform was designed for mass/virtual deployment.
phpdigikam is a Web interface for browsing your Digikam photos. It allows you to quickly share your Digikam photo collection with navigation by albums or tags. You will need a PHP5-enabled server and a few lines of configuration. Features include slideshow, play movies, and re-use of freedesktop thumbnails.