Terbidium (formerly 'Websource') is a Web portal like XOOPS, PHP-Nuke, and a million other portal-style sites. It can be used as a OOP framework for quickly building a new site, or as-is for a news portal system. It features basic user registration, authentication, and preferences system, several user-selectable themes, with templates for building more, site administration (Web-based) for all site features, session support, including hit tracking and reporting (for pages and ad banners), Web hit tracking, and more.
E-Newz Flash is a simple add-on to any Web site which allows you to post news items or quick notices and updates without the complexity of a full blog. E-Newz Flash has a simple entry form for posting, updating, and deleting items. It supports smilies, RSS feeds, comments, archiving, and subscriptions.
PolkaDot is extremely simple blogging software. It requires nothing but a PHP host and a text editor. Installation consists of copying a few files to a server. Configuration is optional and involves very simple changes to a single file. Posting consists of copying text files to a server. It's really about as simple as a working blogging system could be, while still providing features such as categories, RSS feeds, and full-text searching.