Qt 4 supported the same set of platforms in the free software/open source editions as in the proprietary edition, so it is possible, with Qt 4.0 and later releases, to create GPL-licensed free/open source applications using Qt on all supported platforms.
Hostile work environment and harassment. A hostile work environment is really just a specific form of harassment. unwelcome conduct that is based on race, color, religion, sex (including pregnancy), national origin, age (40 or older), disability or genetic information.
A hostile environment at work generally does not create a legal action unless it is a form of discrimination. The concept of a hostile work environment first came from cases involving gender discrimination. The classic example is that of a fire station which previously was devoid of women firefighters.