QGIS is a professional GIS application that is built on top of and proud to be Free and Open Source Software (FOSS). Gary Sherman released QGIS (originally known as Quantum GIS) in early 2009 and it has since been maintained by an active volunteer group since.
Below is a list of QGIS asynchronous resources.
For Beginners
For Intermediate/Advanced GIS Users
Want to use QGIS but need help installing? Follow the guide below.
This book introduces the usage, functionality, and application of data in geographic information systems (GIS) for geo-spatial analysis. The volume explains concepts on planning and architectural tasks, their data, methods and requirements followed, and includes GIS-related exercises on the same tasks. A practical guidebook providing a step-by-step guide to learn open source GIS, this book will be useful for students, scholars and professionals.
Go beyond the basics and unleash the full power of QGIS with practical, step-by-step examples. This book is your one-stop solution to all of your GIS needs using the open source QGIS. Master QGIS by learning about database integration, geoprocessing tools, Python scripts, advanced cartography, and custom plugins.