Gammu is command line utility and library to work with mobile phones from many vendors. Support for different models differs, but basic functions should work with majority of them. Program can work with contacts, messages (SMS, EMS and MMS), calendar, todos, filesystem, integrated radio, camera, etc. It also supports daemon mode to send and receive SMSes.

Grassroots DiCoM is a C++ library for DICOM medical files. It is automatically wrapped to python/C#/Java (using swig). It supports RAW,JPEG (lossy/lossless),J2K,JPEG-LS, RLE and deflated. It also comes with DICOM Part 3,6 & 7 of the standard as XML files.

GLib is a low-level general-purpose library used mainly by GTK+/GNOME applications, but is useful for other programs as well. glibmm is the C++ wrapper for GLib.

This is a low-level library for calling build-backends in pyproject.toml-based project. It provides the basic functionality to help write tooling that generates distribution files from Python projects.

Grassroots DiCoM is a C++ library for DICOM medical files. It is automatically wrapped to python/C#/Java (using swig). It supports RAW,JPEG (lossy/lossless),J2K,JPEG-LS, RLE and deflated.

Ganglia is a scalable, real-time cluster monitoring environment that collects cluster statistics in an open and well-defined XML format.