Bluefish is a powerful editor for experienced web designers and programmers. Bluefish supports many programming and markup languages, but it focuses on editing dynamic and interactive websites.
1L is environment including IDE, form builder, interpreter and debuger (like 1C:Enterprise v7.7 http://www.1c.ru/eng/title.htm) for fast and easy development and execute accounting program. Qt 1L is developed in C++ using Qt4.