b2evolution is probably the most comprehensive blog engine you can find! It includes almost any feature you could expect from a blog tool, and more! Check out the features, not to mention third party plug-ins! Plus, it's free (instant download), it's open-source (GPL), it runs virtually anywhere (PHP/mySQL) and it's available in many languages!

WebspotBlogging is a script which allows you to have your own blog/news page allowing you to post entries easily.

Blogging is now one of the most popular activities on the Internet. Over 100 million blogs have been published within the past few years. The topics range from gossips to recruting to solving technical problems. The business world's posting pioneers say blogging helps them network, boost sales, and secure new business opportunities at a fraction of the cost of traditional media. It's human nature to want to read about opinions, ideas, and thoughts of other people. With Miniweb 2.0 Blog Writer, you can set up your own blog instantly and use it regularly to express yourself and promote your business. Think of it as a new networking tool that does the job for you 24x7. Blog Writer can give you that extra edge to help you succeed with your endearvors on the Web!