Qt OpenSource

Qt OpenSource screenshots

Qt OpenSource let you create rich, touch enabled UIs and applications quickly
QT designer, an excellent IDE for QT
Qt OpenSource 4.4 : QT designer, an excellent IDE for QT

Alternative downloads

Haskell Platform
A complex development environment for Haskell computer programming.
CMake a cross-platform, open-source build system
Cmake manages the build process, in a compiler independent fashion in an OS.
ClassBuilder Open Source (PR523)
ClassBuilder is freeware CASE tool targeted at the C++ developer.