— The swiss army knife for Magento developers, sysadmins and devops. The tool provides a huge set of well tested command line commands which save hours of work time. All commands are extendable by a module API.
— JsonDB is a PHP class for CodeIgniter that allows using a Json file as a database for an application. It has all the power of SQL-based databases and all the flexibility of the document-based ones. And the best part: it's crazy fast! Give it a shot.