Geeklog is a CMS and blog engine with support for comments, trackbacks, multiple syndication formats, spam protection, and all the other vital features of such a system. The core Geeklog distribution can easily be extended by the many community developed plugins and other add-ons to radically alter its functionality. Available plugins include forums, image galleries, and many more.

Blog/CMS Features:

• Create, Schedule, Post and Edit articles in multiple topics
• Save story drafts until they are ready for publishing.
• Control over formatting used in articles (HTML whitelists)
• Control over acceptable content (filtering of offensive language)
• Embed images or other content in articles
• Multiple Authors can post
• Submissions from users
• Support for comments, trackbacks and pingbacks
• Export and import in all common syndication formats (RSS/RDF/Atom etc)
• Spam detection and rejection
• Robust calendar feature with support for personalized calendars.
• Support for OAuth, OpenID and other remote authentication methods.
• Extendible via numerous Open Source plugins.

Administration Features:

• User accounts and access controls.
• Robust *nix-like security model for all objects which can be extended for use in plugins
• Access can be defined for each article, topic etc
• All passwords are stored encrypted.
• All admin access is logged.
• All errors are logged.
• Complete error logging on all forms and SQL calls.

Developer Features:

• Plugin support with API for developers.
• A fully configurable block system, with php-in-block support.
• Well organized codebase, use of PHP's Object-Oriented features.
• Thin database abstraction layer allowing Geeklog to be ported to DBMS's other than the defaults (MySQL and MSSQL supported directly).