Sitecake - Drag and drop CMS for HTML websites. It's flat file CMS so it's pretty fast.

incron - This program is an "inotify cron" system. It consists of a daemon and a table manipulator.

Anchor CMS - Free and lightweight blogging system

fcron - Fcron is a scheduler designed for Unix/Linux systems, especially usefull when your system is not up all the day long.

Textpattern - Textpattern is an elegant content management system that is free, open source software.

Anacron - Anacron is a periodic command scheduler. It executes commands at intervals specified in days.