Automatically generated source code documentation for the latest development version is accessible at https://docs.qmcpack.org/doxygen/doxy/
Tutorials from the 2016 QMC Workshop, 5-10 June, at Urbana, Illinois are available on YouTube. The tutorial files from this workshop are included with the application. Lab materials are in the latter half of the QMCPACK manual.
Material from the 2012 Summer School on Computational Materials Science.