QCTViewer:

GPS Library implementing both geographical referencing transformations & decoding of tiles in MM format, with viewer using Qt.
Separate library & GUI that has been tested on Linux, Windows, Nokia N900, and Apple.
GIT Repo

Useful documents

Coding standards for the JSF project, partly modelled on MISRA
STL documentation
C++ Standards Committee Draft Documents
C++ 0x FAQ
IEEE 1003.1 2004