FAQs: Licensing
Questions:
- What are the Qt Open Source, and Commercial Editions?
- What is the program qtusagereporter?
- Can I use your icons in my product?
- Is a Qt/X11 development license required to develop Qtopia Core-based software?
- Can I redistribute the dll from my Non-commercial Qt with my application?
- In Qtopia Phone Edition 2.2.0 are there any licencing issues associated with using the audio/video codecs?
- Can I use the Open Source Edition of QSA with my commercial Qt application?
- Do I need a Qt license to be able to develop a script-enabled application with QSA?
- What are the restrictions with releasing scriptable applications?
- Do I need a license for all platforms I want to program on?
- Who may use the QSA Open Source Edition?
- Do I need a Qt license to be able to develop a script-enabled application with QSA?
- What are the QSA licensing restrictions?
- Must Qt Script code interpreted by the GPL'ed Qt Script interpreter in the Open Source Edition of QSA, be released under GPL-compatible licenses?
- Why is Qt Open Source Edition not distributed under the GNU Lesser General Public License (LGPL)?
- If the Open Source Edition is GNU GPL, aren't there license conflicts with incompatible open source licenses? How come people can even run commercial software like the Opera web browser with it?
- Is Qt Open Source Edition really free software in the GNU meaning of the word?
- Using the Qt Open Source Edition, can I make non-opensource software for internal use in my company/organization?
- What if Trolltech stops releasing Open Source Editions of Qt?
- Is software based on the Qt Open Source Edition really free? Does it carry any Trolltech-specific license restrictions?
- I want to put Qt, and applications that use it, on a CD-ROM or on a web site. Can I do that with the Qt Open Source Edition?
- I just want to run KDE and other Qt-based software on my machine. Can I do that with the Qt Open Source Edition?
- What is the idea behind providing Open Source (GNU GPL) versions of Trolltech products?
- Can we use the Open Source Edition while developing our non-opensource application and then purchase commercial licenses when we start to sell it?
- I'm developing Qt software with the version of Qt that came with my Linux Distribution. Do I need to buy a license, then?
- I don't want to give away my source code. What do I do?
- Why do I need to buy a commercial edition when I can get it for free?
- Why did you change the name of the Qt Open Source Edition?
- Can I develop commercial applications with PerlQt or PyQt or other Qt wrappers?
- Can I purchase floating licenses?
- We have purchased a license, but the developer is leaving the company / project. Can we transfer the license to another developer?
- Why isn't Qt released under LGPL?
- Where can I download Qt/Mac GPL?
- Where and when can I get the Windows Open Source Edition?
- Do you plan to offer Qt for Windows under the QPL?
- I want to dual license my software too! That means I can use the Open Source edition for development, right?
- Can I also get an Open Source version of Qt/Windows 3?
- What does the Qt Commercial Editions have that the Qt Open Source Edition does not?
- What is the difference between the Open Source and Commercial editions?
- Does releasing Qt/Windows under a dual license mean that Trolltech is giving up the development of Qt for Windows?
- Can I now use Qt for free everywhere?
- Why have you not released Qt/Windows under the dual licensing license before now?
- How will the dual licensing of Qt/Windows affect me?
- Why are you making Qt for Windows available under the GPL with Qt 4?
- What do you mean by Dual Licensing?
