StupidZombie is a tool that can be used to "ping" several directories to notify then about a blog update. It does not need to be run from a Web page like Blogger or Wordpress. You can run StupidZombie from a cron job or using Java WebStart. Also, StupidZombie has a simple tag generator from directories that support it.
SuperSimpleNews is a news script for Web sites. It doesn't require a database, since all news articles are stored in simple CSV files. It includes a password protected administrative backend for adding, editing, and deleting articles. widgEditor is used for editing the text. Example scripts are included to get you setup quickly. RSS support is included by default.