Greymatter
April 17, 2005 - Opensource weblogging and journal software. With fully-integrated comments, searching, file uploading and image handling, completely customisable output through dozens of templates and variables, multiple author support, and many other features.

WordPress
April 15, 2005 - We offer a feature set with WordPress on par or better than any other software of its kind. Also we are committed to making the latest blogging technology available to our users (such as Trackback) and taking it a step further (such as with Pingback). You can rest assured that with WordPress you will be on the cutting edge of the technology available.

Movable Type
April 15, 2005 - Movable Type is an application that installs on your web server, providing a publishing platform for creating weblogs or news pages. Movable Type is flexible and is appropriate for use by web developers, professionals, organizations or businesses with customization needs.

pMachine
April 12, 2005 - With pMachine, you can publish virtually any kind of web content - from a basic weblog, to an advanced interactive magazine. pMachine gives you complete control over the presentation and the interactivity of your site.