Описание:
Eric4 is a Python IDE written using PyQt4 and QScintilla2. It has integrated project management capabilities, it gives you an unlimited number of editors, an integrated Python shell, an integrated debugger, integrated interfaces to Subversion and CVS, an integrated refactoring browser, integrated unittest and much more.

Описание:
Monkey Studio is a Free crossplatform Qt© 4 IDE.

Same Development Environment on all Platforms
It's developped using the Qt library itself. So it should run on every platform that Qt© 4 supports. This way you can work on your progress on every platforms in the same IDE. Developing cross-platform software can be so easy!

Версия: 0.8.5
Сайт: http://www.anyqsoft.com

Возможности:

• создание и изменение проектов Qt;
• создание и редактирование форм;
• мощный редактор текста с фолдингом;

Версия: 0.3
Сайт: Ссылка
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Описание:
DevEditor is an experimental programmer's editor. The goal is to create an editor that could be used by a person (most likely a student) with no a priori knowledge of programming. This aims to be a classic "write code, click run" IDE.

Версия: 3.9.5
Сайт: Ссылка
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Описание:
Eric3 is a Python IDE written using PyQt and QScintilla. It has integrated project management capabilities, it gives you an unlimited number of editors, an integrated Python shell, an integrated debugger, integrated interfaces to CVS and Subversion, an integrated refactoring browser (Bicycle Repair Man), integrated unittest and much more.

Версия: 0.20
Сайт: http://qdevelop.org
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Описание:
QDevelop среда разработки заточенная под Qt4.