WordPress is a state-of-the-art, semantic, personal publishing platform with a focus on aesthetics, Web standards, and usability. It was born out of a desire for an elegant, well-architected personal publishing system. While primarily geared towards functioning as a Weblog, WordPress is also a flexible CMS capable of managing many types of Web sites. In addition to the basic blog functions, it also has an integrated link manager, categories, tags, custom taxonomies, file attachments, XFN support, support for stand-alone pages, Atom and RSS feeds for both content and comments, blogging API support (Atom Publishing Protocol, Blogger, MetaWeblog, and Movable Type APIs), spam blocking features, advanced cruft-free URL generation, a flexible theme system, and an advanced plugin API.
Bugzero is a Web-based change management and issue tracking system used in a distributed team environment to track software bugs, hardware defects, test cases, or any other issues. It can also be used equally well as a helpdesk customer support, trouble ticketing, or email management system to collect and manage customer feedbacks, incidents, requests, and issues. It is easy to use, but still flexible and adaptive, and can be configured to fit to your organization's unique business process and workflow.
Tiki Wiki CMS Groupware is a full-featured, Web-based, multilingual, tightly integrated, all-in-one wiki, CMS, and groupware. Tiki can be used to create all kinds of Web applications, sites, portals, knowledge bases, intranets, and extranets. Tiki offers a very large number of features "out-of-the-box". It is highly configurable and modular. All features are optional and administered via a Web-based interface. Major features include a robust wiki engine, news articles, discussion forums, newsletters, blogs, file and image galleries, bug and issue trackers, a link directory, polls/surveys and quizzes, FAQs, a banner management system, calendar, maps, mobile access, RSS feeds, a category system, tags, an advanced themeing engine (Smarty), spreadsheet, live support, shoutbox, inter-user messaging, menu generator, advanced permission system for users and groups, internal search engine, external authentication support, and more. It was formerly named TikiWiki.
sadlittlewebjournal is a Weblog written in Perl that utilizes PostgreSQL or MySQL and a straightforward ASCII interface. Site maintenance is done via an intuitive backend that allows one to add, delete, and modify previous entries. Other features include an integrated guestbook, a Web stat chart complete with ASCII bar graphs, and various other modularized features.
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.
VStarBlogEngine is a lightweight multi-user/single-blog engine intended for bloggers who need a simple, fast, and reliable blogging platform. It is built as an alternative to existing heavily-armored blog engines, such as Wordpress, Drupal, and others. It features fast and secure blogging, quick threaded commenting with CAPTCHA, multi-language support with UTF-8 database encoding, subscription to comments, tags support, spam filtering, RSS support, LiveJournal cross-posting, and Wordpress database import. It does not feature self-registration, OpenID, a visual editor, plugins, widgets, etc.