Werc is a minimalistic RESTful Web application framework and content management system. It follows the Unix "tool philosophy" and it is designed to be fast, simple, convenient, and easily extensible. It handles both small and big sites and has a flexible system for user and group permissions. All data is stored in plain text files that can be easily manipulated with standard tools, without using any databases or other external dependencies. Existing applications include a blogging engine with RSS/Atom feeds, a wiki system that can easily integrate pre-existing documents (can be enabled for any directory tree), and others.
Poole is a simple static Web site generator. It is easy to understand and easy to use. You write the content of your pages in Markdown or HTML and Poole creates a nice and simple site with a navigation menu. You don't need to learn a template or preprocessing engine. It is for everyone who just wants to set up a simple site in less than 5 minutes.
sfMarkitupPlugin is a useful Markitup widget, tuned to work with Markdown syntax and extended by inline uploading of media files to the server and previews. It provides a way to turn your textarea field into a simple but powerful text editor. Some additions have been made to its basic functionality to be more helpful for use in CMS.