This document provides an overview of open technology for efficiency. It introduces TDM Ltd, which provides training, development, and management services for open source software like Moodle, Totara, and Mahara. It discusses why open source matters in being collaborative, customizable, cost-effective and providing freedom. It also summarizes TDM's offerings around open source learning management systems and how Mahara can integrate with Totara for learner portfolios and competency-based education.