OutputFilter is a PHP library that can be used to filter the values of scalars, arrays, and data objects recursively. It can be easily integrated in frameworks. A solution for Zend Framework and Smarty template engine is already included.
Flask is a microframework for Python based on Werkzeug, Jinja 2, and good intentions.
An Ubuntu-based LAPP appliance that is easy to use and lightweight.
A tool for removing packages from a system.