Qt Extended Improved is an application platform

Platform (computing)

A computing platform includes some sort of hardware architecture and a software framework , where the combination allows software, particularly application software, to run...

 for Embedded Linux

Embedded Linux

Embedded Linux is the use of Linux in embedded computer systems such as mobile phones, personal digital assistants, media players, set-top boxes, and other consumer electronics devices, networking equipment, machine control, industrial automation, navigation equipment and medical instruments...

-based mobile computing devices such as personal digital assistant

Personal digital assistant

A personal digital assistant , also known as a palmtop computer, or personal data assistant, is a mobile device that functions as a personal information manager. Current PDAs often have the ability to connect to the Internet...

s, projectors

Video projector

A video projector is an image projector that receives a video signal and projects the corresponding image on a projection screen using a lens system. All video projectors use a very bright light to project the image, and most modern ones can correct any curves, blurriness, and other...

 and mobile phone

Mobile phone

A mobile phone is a device which can make and receive telephone calls over a radio link whilst moving around a wide geographic area. It does so by connecting to a cellular network provided by a mobile network operator...

s.

Qt Software cancelled the Qt Extended project, but as it was free software

Free software

Free software, software libre or libre software is software that can be used, studied, and modified without restriction, and which can be copied and redistributed in modified or unmodified form either without restriction, or with restrictions that only ensure that further recipients can also do...

 then the community created a fork of it, the Qt Extended Improved project, and continued building.

Features

Qt Extended Improved features:

• Windowing system
  Windowing system
  A windowing system is a component of a graphical user interface , and more specifically of a desktop environment, which supports the implementation of window managers, and provides basic support for graphics hardware, pointing devices such as mice, and keyboards...
  
  
• Synchronization
  Synchronization
  Synchronization is timekeeping which requires the coordination of events to operate a system in unison. The familiar conductor of an orchestra serves to keep the orchestra in time....
  
   framework
  Software framework
  In computer programming, a software framework is an abstraction in which software providing generic functionality can be selectively changed by user code, thus providing application specific software...
  
  
• Development environment
  Development environment
  In hosted software development, a development environment refers to a server tier designated to a specific stage in a release process....
  
  
• Internationalization and localization
  Internationalization and localization
  In computing, internationalization and localization are means of adapting computer software to different languages, regional differences and technical requirements of a target market...
  
   support
• Game
  Game
  A game is structured playing, usually undertaken for enjoyment and sometimes used as an educational tool. Games are distinct from work, which is usually carried out for remuneration, and from art, which is more often an expression of aesthetic or ideological elements...
  
  s and multimedia
  Multimedia
  Multimedia is media and content that uses a combination of different content forms. The term can be used as a noun or as an adjective describing a medium as having multiple content forms. The term is used in contrast to media which use only rudimentary computer display such as text-only, or...
  
  
• Personal information manager
  Personal information manager
  A personal information manager is a type of application software that functions as a personal organizer. The acronym PIM is now, more commonly, used in reference to Personal information management as a field of study...
  
   applications
• Full screen handwriting
  Handwriting
  Handwriting is a person's particular & individual style of writing with pen or pencil, which contrasts with "Hand" which is an impersonal and formalised writing style in several historical varieties...
  
  
• Input method
  Input method
  An input method is an operating system component or program that allows any data, such as keyboard strokes or mouse movements, to be received as input. In this way users can enter characters and symbols not found on their input devices...
  
  s
• Personalization
  Personalization
  Personalization involves using technology to accommodate the differences between individuals. Once confined mainly to the Web, it is increasingly becoming a factor in education, health care Personalization involves using technology to accommodate the differences between individuals. Once confined...
  
   options
• Productivity
  Productivity
  Productivity is a measure of the efficiency of production. Productivity is a ratio of what is produced to what is required to produce it. Usually this ratio is in the form of an average, expressing the total output divided by the total input...
  
   applications
• Internet
  Internet
  The Internet is a global system of interconnected computer networks that use the standard Internet protocol suite to serve billions of users worldwide...
  
   applications
• Java
  Java (programming language)
  Java is a programming language originally developed by James Gosling at Sun Microsystems and released in 1995 as a core component of Sun Microsystems' Java platform. The language derives much of its syntax from C and C++ but has a simpler object model and fewer low-level facilities...
  
   integration
• Wireless
  Wireless
  Wireless telecommunications is the transfer of information between two or more points that are not physically connected. Distances can be short, such as a few meters for television remote control, or as far as thousands or even millions of kilometers for deep-space radio communications...
  
   support

Qt Extended Improved is dual license

Dual license

Multi-licensing is the practice of distributing software under two or more different sets of terms and conditions. This may mean multiple different licenses or sets of licenses. Prefixes may be used to indicate the number of licenses used, e.g...

d under the GNU General Public License

GNU General Public License

The GNU General Public License is the most widely used free software license, originally written by Richard Stallman for the GNU Project....

 (GPL) and proprietary

Proprietary software

Proprietary software is computer software licensed under exclusive legal right of the copyright holder. The licensee is given the right to use the software under certain conditions, while restricted from other uses, such as modification, further distribution, or reverse engineering.Complementary...

 licenses.

Devices and deployment

Qt Extended Improved can run on several mobile devices, most notably the Openmoko

Openmoko

Openmoko is a project to create a family of open source mobile phones, including the hardware specification and the operating system. The project was sponsored by Openmoko Inc....

 phones: Neo 1973

Neo 1973

The Neo 1973 is a smartphone developed by the Openmoko project to run the Openmoko Linux software platform. Furthermore other platforms have been ported to the Neo 1973, including Qt Extended, Debian and Android....

 and FreeRunner

Neo FreeRunner

The Neo FreeRunner is an open source smartphone that is developed by the Openmoko project and manufactured by FIC...

.

Software development

Native applications can be developed and compiled using C++. Managed applications can be developed in Java.