Qt Creator is a cross-platform IDE (integrated development
environment) tailored to the needs of Qt developers.
It is part of the Qt Project.

It includes:
 * code editor with C++, QML and ECMAscript support;
 * rapid code navigation tools;
 * static code checking and style hints as you type;
 * context sensitive help;
 * visual debugger;
 * integrated GUI layout and forms designer.

WWW: http://qt-project.org/wiki/Category:Tools::QtCreator