ZebraFeeds is a Web-based RSS/Atom aggregator. It can be integrated into your Web site or blog with minimal effort and a high level of customization. You can also use it as a personal Web-based news aggregator with a reasonably convenient user interface inspired from modern aggregators.
Just Journal is a blogging application. You can use it to create one or more blogs on a Web site. Just Journal allows registered users to comment on other blogs, list friends, consume and provide RSS feeds, and post public, friends only, or private journal entries. It has been tested using MySQL 5.x and Tomcat 5.5.
Blue Smiley Organizer is a Web-based script to manage your bookmarks, diary, reminders, to-do lists, contacts, knowledge, and file upload in a multi-user environment. It also includes its own live support help system, blogs, RSS feeds, customizable themes, and a discussion forum.