Qt 4.8.4 Sources (Full framework) http://dist.qt.digia.com/developer/download/qt-everywhere-commercial-src-4.8.4.tar.gz
Installing Qt for X11 Platforms http://qt-project.org/doc/qt-4.8/install-x11.html
Qt Creator 2.6.1 for Linux (32-bit Binary) http://dist.qt.digia.com/developer/download_creator/qt-creator-linux-x86-commercial-2.6.1.bin
Qt Creator 2.6.1 for Linux (64-bit Binary) http://dist.qt.digia.com/developer/download_creator/qt-creator-linux-x86_64-commercial-2.6.1.bin
Qt 4.8 SDK for Linux (64-bit Binary) http://dist.qt.digia.com/developer/download_sdk/QtCommercialSDK-online-linux-x86_64-v1.0.2.run
Qt 4.8 SDK for Linux (32-bit Binary) http://dist.qt.digia.com/developer/download_sdk/QtCommercialSDK-online-linux-x86-v1.0.2.run
Qt Commercial Charts 1.1.0 http://dist.qt.digia.com/developer/download_charts/qt-commercial-charts-src-1.1.0.tar.gz
Qt 5.0.0 Sources http://dist.qt.digia.com/developer/download_50/qt-everywhere-commercial-src-5.0.0.tar.gz
Qt 5.0.0 Offline SDK for Linux (32-bit Binary) http://dist.qt.digia.com/developer/download_50/qt-linux-commercial-5.0.0-x86-ubuntu1110-offline.run
Qt 5.0.0 Offline SDK for Linux (64-bit Binary) http://dist.qt.digia.com/developer/download_50/qt-linux-commercial-5.0.0-x86_64-ubuntu1110-offline.run