Tutorials and Tips
Open-source and liberally licensed tutorials and tips for QGIS. Widely used across the globe to learn and teach QGIS. http://www.qgistutorials.com
Becoming a QGIS Power User
Indian Institute of Remote Sensing (IIRS), Dehradun, India.
Conducted a full day workshop at FOSS4G-India 2015 and taught hands-on exercises for Print Composer Atlas, Processing Framework and Python plugin development. [Materials]
Maps Engine Connector for QGIS
I am the author and the current maintainer of the (now deprecated) Google Maps Engine Connector for QGIS.
A short interview with an overview of the plugin.