3DSlicer, a free open source software for visualization and medical image computing
AcetoneISO: Image file mounting software
Adobe Photoshop Album, an image organizing application
Arora: a cross-platform open source web browser
Autodesk MotionBuilder, professional 3D character animation software
Autodesk Maya, 3D modeling and animation software
Avidemux, a Free Software program designed for multi-purpose video editing and processing
Avogadro: Advanced Molecular Editor
BOUML，a free uml toolbox
chmcreator: open source chm development tool
CineFX: A cross-platform, open source, free, video editing, effects and compositing suite
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 file generator
EAGLE, tool for designing printed circuit boards（PCBs）
EiskaltDC++, a program that uses the Direct Connect protocol.
Emergent: Neural network simulator.
FEKO, a software product for the simulation of electromagnetic fields
eva: QQ chat software for Linux.
FreeCAD, a free and open source 3D-Solid and general purpose design CAD/CAE
FreeMat: a free and open source numerical computing environment and programming language
Full Tilt Poker, one of the most popular online poker programs
Gadu-Gadu: real-time communication software
Gambas, A free development environment based on a Basic interpreter
GoldenDict: An open source dictionary software
Google Earth (Google Earth): 3D virtual map software.
GNS: Cisco Network Simulator.
Guitar Pro 6, a tablature editor
Hedgehog Wars: An open source game based on Worms.
Hydrogen, an advanced drum machine
ImageVis3D, a volume ray-casting application
Ipe: Free Vector Graphics Editor
ISE Webpack, a freeware EDA tool for Windows and Linux developed by Xilinx
Kadu, a Polish instant messenger using the Gadu-Gadu protocol
KDELibs: A shared library used by many KDE programs, such as Amarok, K3b, KDevelop, KOffice, etc.
KeePassX, a multi-platform port of KeePass, an open source password manager for Microsoft Windows
Last.fm Player: Desktop client for the famous Internet music social networking site.
Launchy: An open source shortcut launcher
LMMS: An Open Source Music Editing Software
LyX: LaTeX software using Qt as the interface.
Mathematica: Linux and Windows versions use Qt as GUI
Maxwell Render, a software package that aids in the production of photorealistic images from computer 3D model data
Mixxx: Cross-Platform Open Source DJ Mixing Software
MuseScore, a WYSIWYG score editor
MythTV: Open source digital video recording software.
Nuke, a node-based compositor
PDFedit: Free PDF Editor
PokerTH, an open source Texas hold 'em simulator
Psi: a real-time communication software for the XMPP network protocol
qBittorrent: Free BitTorrent P2P Client
QCad: a CAD software for 2D design and drawing
Qjackctl, a tool for controlling the JACK Audio Connection Kit
QSvn, a GUI Subversion client for Linux, UNIX, Mac OS X and Windows
Opera: The famous web browser.
Qt Creator, the free softwarecross-platformintegrated 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
QupZilla:跨平台的开放源代码的Webkit网页浏览器。
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
UMPlayer:基于Mplayer的美观多媒体播放器。
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
YY语音: 又名“歪歪语音”，是一个可以进行在线多人语音聊天和语音会议的免费软件。在中国大陆拥有庞大的用户群。
咪咕音乐:咪咕音乐是中国移动倾力打造的正版音乐播放器
WPS Office:金山公司(Kingsoft)出品的办公软件，与微软Office兼容性良好，个人版免费。
央视影音客户端：中央电视台电视直播客户端
斗鱼TV：斗鱼直播客户端