NanoBlogger is a small weblog engine written in Bash for the command line. It uses common UNIX tools such as cat, grep, and sed to create static HTML content. It's free to use and modify under the GNU General Public License.
Package in Arch Linux Community repository:  Homepage:
* highly configurable and extensible * intuitive command line interface * easy drafting, editing, and management of entries * configurable amount of archiving by category, year, month, day, and entry * pagination * permanent and navigational links * templates and CSS style sheets for full control over layout * placeholders for easy template manipulation * support for multiple weblogs * support for multiple tags (categories) * support for both relative and absolute links * support for date manipulation of entries * Atom syndication (comes with 1.0 format) * RSS syndication (comes with RSS 1.0 and 2.0 formats) * plugins for calendar, recent entries, weblog status, etc. * plugins for text formatting (e.g. line breaks translate to HTML) * global (nb.conf) and per-weblog (blog.conf) configuration * intelligent build system that only rebuilds what's necessary * simple cache system for extra boost in speed * independent from java-script and server-side scripting (e.g. PHP) * independent from external database (stores data in flat-files) * includes user manual * multilingual support * multi-platform portability (just add bash and the required commands) * modular code base