Free software listing at Trolltech.com
- The creator of Qt provide a categorized listing of free software developed with Qt.
- http://www.trolltech.com/developer/downloads/freesoftware

Qt Reference Documentation
- Tutorials and documents about tools and features of the Qt Library.
- http://doc.trolltech.com/4.0/index.html

QScimpl
- Qt-based software for building GUI's for scientific applications. Documentation, screenshots, license, download, FAQ, mailing lists.
- http://www.txcorp.com/products/qscimpl/

Zaurus
- Sharp's Linux PDA. Uses the Qt-Embedded-Library.
- http://www.sharpusa.com/products/TypeLanding/0,1056,112,00.html

QwtPlot3D
- Library provides a small set of specialized QGLWidgets for the visualization of scientific data. This includes mouse/keyboard handling as well as pixmap and vectorized (PS,PDF) output.
- http://qwtplot3d.sourceforge.net/

QALE
- A library designed to work with Qt to make dialog layout more flexible and easier to do.
- http://locutus.kingwoodcable.com/jfd/c++/qale.html

QTagger
- A Qt based Unix MP3 tagger that supports id3v2 tags. News, features, screenshots, download.
- http://sourceforge.net/projects/qtagger/

QtForum.org
- Web discussion forum for Qt related topics.
- http://www.qtforum.org/

The Independent Qt Tutorial
- A Tutorial covering basic programming using Qt as well as advanced topics like XML, Input Validation and Qwt - Qt Widgets for Technical Applications.
- http://www.digitalfanatics.org/projects/qt_tutorial/index.html

Qwt - Qt Widgets for Technical Applications
- Describes the library including source documentation as well as screenshots and downloads.
- http://qwt.sourceforge.net/

Autoqt
- A set of build system files to enable building Qt applications on all supported platforms using the autoconf / automake system (.m4 file) or the pkg-config system (.pc file).
- http://autoqt.sourceforge.net/

Integrated Computer Solutions
- GraphPak for Qt is a tool for creating charts and graphs. QicsTable, a high performance and more functional alternative to the QTable. It is built around an MVC architecture and implemented with the philosophy that common operations should be directly s
- http://www.ics.com/qt/

QTParted
- A visual interface for the parted application that can create and resize disk partitions. News, screenshots, downloads.
- http://qtparted.sourceforge.net/

QtUnit
- A unit testing framework for c++, originally based on CppUnit 1.5 written by Michael Feathers. All code has been refactored and ported to exclusively use Qt 3.0 as it base library.
- http://www.uwyn.com/projects/qtunit/

Qtopia
- A graphical environment for Linux on a handheld PC or small device. Provides links to information about the product, SDKs for enhancements and FAQs.
- http://qpe.sourceforge.net/

Qps
- A visual process manager, an X11 version of "top" or "ps" that displays processes in a window and lets you sort and manipulate them.
- http://www.student.nada.kth.se/~f91-men/qps/

TinyQ
- A stripped down version of Qt 3.x that has been put together to use as a backend library and provides all the necessary library classes to comfortably develop in a C++ environment.
- http://www.uwyn.com/projects/tinyq/index.html

QtWvDialer
- A simple graphical front-end to wvdial.
- http://www.mtoussaint.de/qtwvdialer.html

QCppUnit
- A test framwork for Qt applications to perform unit testing, as described for example in Extrem Programming.
- http://phil.freehackers.org/qcppunit/

Troll Tech
- The company which makes Qt, a GUI software toolkit/widget-kit. KDE is based on Qt.
- http://www.trolltech.com/

Klarälvdalens Datakonsult AB
- A small international software company with headquarters in Värmland in Sweden that provides Qt/C software development tools and consulting.
- http://www.klaralvdalens-datakonsult.se/

QTCUPS
- CUPS front-end and library for Qt.
- http://cups.sourceforge.net/qtcups/

Qtsvc
- A Qt based graphical control and monitoring program for the daemontools package.
- http://homepages.together.net/~plomp/qtsvc.html

Qtella
- A Gnutella client for Linux written in C++ using the Qt libraries.
- http://qtella.sourceforge.net/

QdbtTabular
- A table widget for Troll Tech's Qt-GUI toolkit which looks similar to the `detailed list' of Windows 95.
- http://qdbttabular.sourceforge.net/

Qt Architect
- A screen architect for the Qt widget set.
- http://qtarch.sourceforge.net/

QtEZ
- A GUI application builder which utilizes the Qt2 Toolkit.
- http://sourceforge.net/projects/qtez/

QtDMM
- A simple DMM readout software including a configurable recorder.
- http://www.mtoussaint.de/qtdmm.html

QMWEdit (Qt Multi Window Editor)
- A simple editor (IDE) for small C/C++ projects. The editor is based on Qt libraries 2.2.x . The goal of the project is to have an easy to use editor which provides a lot of nice features.
- http://qmwedit.sourceforge.net/

Python and Qt2
- Information about using Python with Qt2.
- http://www.valdyas.org/python/qt2.html