C++ Qt ORM (Object Relational Mapping) and ODM library
Yocto/GL: Tiny C++ Libraries for Data-Driven Physically-based Graphics
A fast key-value storage library
Visual Studio .vc[x]proj to CMakeLists.txt (make, Ninja ...) enabler
QNetMap is the library for displaying the map and the objects on it
Read-write access to memory-mapped files on Windows and POSIX systems
c++ xml data binding tool (free - lgpl)