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

C++ and JavaScript code editor
Integrated UI designer
Project and build management tools
gdb and CDB debuggers
Support for version control
Simulator for mobile UIs
Support for desktop and mobile targets

Qt Creator is freely available for download, either alone or as part of the Qt SDK.

Qt Creator is a cross-platform integrated development environment (IDE) tailored to the needs of Qt developers. Qt Creator runs on Windows, Linux/X11 and Mac OS X desktop operating systems, and allows developers to create applications for multiple desktop and mobile device platforms.

Sophisticated Code Editor
Qt Creator´s advanced code editor provides support for editing C++ and QML (JavaScript), context-sensitive help, code completion, nativation and more .

Version Control
Qt Creator integrates with most popular version control systems, including Git, Subversion, Perforce, CVS and Mercurial.

Integrated UI Designers
Qt Creator provides two integrated visual editors: Qt Designer for building UIs from Qt widgets, and Qt Quick Designer for developing animated UIs with the QML language.

Project & Build Management
Whether you import an existing project or create one from scratch, Qt Creator generates all the necessary files. Support for cross-qmake and CMake is included.

Desktop & Mobile Targets
Qt Creator provides support for building and running Qt applications for desktops and mobile devices. Build settings allow you to quickly switch between build targets. Read more



Qt Simulator
Available as part of the Nokia Qt SDK, the Qt Simulator to test Qt application for mobile devices in an environment similar to that of the target device.

Resources
Browse the resources below to learn more about Qt Creator:

Qt Creator Technical Documentation [Docs]
Qt Creator Open Code Repository [Gitorious]
Qt Creator Blogs [Qt Labs]
Qt Creator Mailing List
Qt Creator Whitepaper