使用QT开发的软件列表，说明QT有广阔空间
3DSlicer, a free open source software for visualization and medical image computing
AcetoneISO：镜像文件挂载软件
Adobe Photoshop Album, an image organizing application[25]
Arora：一款跨平台的开源网页浏览器
Autodesk MotionBuilder, professional 3D character animation software
Autodesk Maya, 3D 建模和动画软件
Avidemux, a Free Software program designed for multi-purpose video editing and processing
Avogadro：高级分子编辑器
BOUML,a free uml toolbox
chmcreator：开源的chm开发工具
CineFX：一款跨平台、开源、免费、影片剪辑，特效与合成套装
CoCoA, a software for computations in commutative algebra
Dash Express, an Internet-enabled personal navigation device
DAZ Studio, a 3D figure illustration/animation application
Doxygen：API文件产生器
EAGLE, tool for designing printed circuit boards (PCBs)
EiskaltDC++, a program that uses the Direct Connect protocol.
Emergent：神经网络模拟器。
FEKO, a software product for the simulation of electromagnetic fields
eva：Linux版QQ聊天软件。
FreeCAD, a free and open source 3D-Solid and general purpose design CAD/CAE
FreeMat：一个自由开源的数值计算环境和编程语言
Full Tilt Poker, one of the most popular online poker programs
Gadu-Gadu：实时通信软件
Gambas, A free development environment based on a Basic interpreter
GoldenDict：一款开源的字典软件
Google地球（Google Earth）：三维虚拟地图软件。
Guitar Pro 6, a tablature editor
刺猬大作战：一个基于百战天虫的开源游戏。
Hydrogen, an advanced drum machine
ImageVis3D, a volume ray-casting application
Ipe：自由的矢量图形编辑器
ISE Webpack, a freeware EDA tool for Windows and Linux developed by Xilinx
Kadu, a Polish instant messenger using the Gadu-Gadu protocol
KDELibs：一个许多KDE程序都使用的共享库，如Amarok、K3b、KDevelop、KOffice等。
KeePassX, a multi-platform port of KeePass, an open source password manager for Microsoft Windows
Last.fm播放器：著名的互联网音乐社交网站的桌面客户端。
Launchy：一个开放源代码的快捷启动器
LMMS：一个开放源代码的音乐编辑软件
LyX：使用Qt作为界面的LaTeX软件。
Mathematica：Linux和Windows版本使用Qt作为GUI
Maxwell Render, a software package that aids in the production of photorealistic images from computer 3D model data
Mixxx：跨平台的开放源代码DJ混音软件
MuseScore，一个WYSIWYG的乐谱编辑器
MythTV：开源的数字视频录制软件。
Nuke, a node-based compositor
PDFedit：自由的PDF编辑器
PokerTH, an open source Texas hold 'em simulator
Psi：一款XMPP网络协议的实时通信软件
qBittorrent：自由的BitTorrent P2P客户端
QCad：一个用于二维设计及绘图的CAD软件
Qjackctl, a tool for controlling the JACK Audio Connection Kit
QSvn, a GUI Subversion client for Linux, UNIX, Mac OS X and Windows
Opera：著名的网页浏览器。
Qt Creator, the free software cross-platform integrated development environment from Nokia
Qterm：跨平台的BBS软件。
Quantum GIS：自由的桌面GIS
Quassel IRC：跨平台的IRC客户端
RealFlow, a fluid and dynamics simulator for the 3D industry
Recoll：桌面搜索工具
Rosegarden, a free software digital audio workstation program
SciDAVis, a cross-platform plotting and data analysis program
Scribus：桌面排版软件。
Skype：一个使用人数众多的基于P2P的VOIP聊天软件。
SMPlayer：跨平台多媒体播放器
Spotify, music streaming service.
Stellarium：一款天文学的自由软件
TeamSpeak：跨平台的音效通信软件
Texmaker：一款跨平台的开放源代码 LaTeX 编辑器
TeXworks, It is a graphical user interface to the typesetting system TeX.
Tlen.pl：波兰人发明的实时通信客户端
TOra, a database administration tool[26]
UniversalIndentGUI，an application which helps the user to beautify, reformat or indent various kinds of code.
Valknut, a program that uses the Direct Connect protocol
VirtualBox：虚拟机软件。
VisIt：一个开源型交互式并行可视化与图形分析工具，用于查看科学数据。
VisTrails, a scientific workflow management and visualization system
VLC多媒体播放器：一个体积小巧、功能强大的开源媒体播放器。
VoxOx, a unified communications software.
WordPress, based on Qt for Maemo and Symbian
wpa supplicant, a free software implementation of an IEEE 802.11i
Xconfig：Linux的Kernel配置工具
WPS
