pantr is PHPs answer to tools like rake and maven. It allows to automate tasks using the familiar PHP language. You can define dependencies on PEAR packages which will be installed, updated and removed locally and automatically. Because of its powerful task concept it can also be used as a framework to create PHP based command line applications.
At the moment the documentation is still being created. The project is hosted on Github where you can find an introduction explaining most of pantrs features. If you can read german you may also find the PEAR Pakete nutzen tutorial over at Developers Guide useful.
pantr is installed through PEAR. You can find instructions on how to install pantr at its Github Repository. It is licensed under terms of the MIT license.