The GNU gprofng GUI is a feature rich graphical user interface for the GNU gprofng tool. It makes it possible to interactively analyze and compare gprofng profiling experiments. Users can drill into an applications profile together with the applications code to gather an understanding and insight into what an application is doing throughout it's runtime.

QDBM is an embedded database library compatible with GDBM and NDBM. It features hash database and B+ tree database and is developed referring to GDBM for the purpose of the following three points: higher processing speed, smaller size of a database file, and simpler API. This is the runtime package for programs that use the QDBM database library.

This is a C++ library for DSP and Music Informatics purposes, written at the Queen Mary University. Among other things, it provides functions for audio analysis.

QSopt-ex is an implementation of a simplex-based algorithm that returns exact rational solutions, taking advantage of the speed of floating-point calculations and attempting to minimize the operations performed in rational arithmetic.

Qt is a cross-platform C++ application framework. Qt's primary feature is its rich set of widgets that provide standard GUI functionality.

Qt is a cross-platform C++ application framework. Qt's primary feature is its rich set of widgets that provide standard GUI functionality.