Yes, of course. I did an "apt-get install qtcreator" which installed this all:

Qt Code: 
  1. ii  libqt4-dbus                        4:4.7.4-0ubuntu8.3                 Qt 4 D-Bus module
  2. ii  libqt4-declarative                 4:4.7.4-0ubuntu8.3                 Qt 4 Declarative module
  3. ii  libqt4-declarative-gestures        4:4.7.4-0ubuntu8.3                 Qt 4 gestures QML plugin
  4. ii  libqt4-declarative-particles       4:4.7.4-0ubuntu8.3                 Qt 4 particles QML plugin
  5. ii  libqt4-declarative-shaders         4:4.7.4-0ubuntu8.3                 Qt 4 shaders QML plugin
  6. ii  libqt4-designer                    4:4.7.4-0ubuntu8.3                 Qt 4 designer module
  7. ii  libqt4-dev                         4:4.7.4-0ubuntu8.3                 Qt 4 development files
  8. ii  libqt4-help                        4:4.7.4-0ubuntu8.3                 Qt 4 help module
  9. ii  libqt4-network                     4:4.7.4-0ubuntu8.3                 Qt 4 network module
  10. ii  libqt4-opengl                      4:4.7.4-0ubuntu8.3                 Qt 4 OpenGL module
  11. ii  libqt4-opengl-dev                  4:4.7.4-0ubuntu8.3                 Qt 4 OpenGL library development files
  12. ii  libqt4-qt3support                  4:4.7.4-0ubuntu8.3                 Qt 3 compatibility library for Qt 4
  13. ii  libqt4-script                      4:4.7.4-0ubuntu8.3                 Qt 4 script module
  14. ii  libqt4-scripttools                 4:4.7.4-0ubuntu8.3                 Qt 4 script tools module
  15. ii  libqt4-sql                         4:4.7.4-0ubuntu8.3                 Qt 4 SQL module
  16. ii  libqt4-sql-mysql                   4:4.7.4-0ubuntu8.3                 Qt 4 MySQL database driver
  17. ii  libqt4-sql-sqlite                  4:4.7.4-0ubuntu8.3                 Qt 4 SQLite 3 database driver
  18. ii  libqt4-svg                         4:4.7.4-0ubuntu8.3                 Qt 4 SVG module
  19. ii  libqt4-test                        4:4.7.4-0ubuntu8.3                 Qt 4 test module
  20. ii  libqt4-xml                         4:4.7.4-0ubuntu8.3                 Qt 4 XML module
  21. ii  libqt4-xmlpatterns                 4:4.7.4-0ubuntu8.3                 Qt 4 XML patterns module
  22. ii  libqtcore4                         4:4.7.4-0ubuntu8.3                 Qt 4 core module
  23. ii  libqtgui4                          4:4.7.4-0ubuntu8.3                 Qt 4 GUI module
  24. ii  libqtwebkit-dev                    2.2~2011week36-0ubuntu1            Web content engine library for Qt - development files
  25. ii  libqtwebkit4                       2.2~2011week36-0ubuntu1            Web content engine library for Qt
  26. ii  qt4-demos                          4:4.7.4-0ubuntu8.3                 Qt 4 examples and demos
  27. ii  qt4-designer                       4:4.7.4-0ubuntu8.3                 graphical designer for Qt 4 applications
  28. ii  qt4-dev-tools                      4:4.7.4-0ubuntu8.3                 Qt 4 development tools
  29. ii  qt4-doc                            4:4.7.4-0ubuntu8.3                 Qt 4 API documentation
  30. ii  qt4-linguist-tools                 4:4.7.4-0ubuntu8.3                 Qt 4 Linguist tools
  31. ii  qt4-qmake                          4:4.7.4-0ubuntu8.3                 Qt 4 qmake Makefile generator tool
  32. ii  qt4-qmlviewer                      4:4.7.4-0ubuntu8.3                 Qt 4 QML viewer
  33. ii  qtcreator                          2.2.1-1ubuntu4                     lightweight integrated development environment (IDE) for Qt
  34. ii  qtcreator-doc                      2.2.1-1ubuntu4                     documentation for Qt Creator IDE
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Is anything missing?