Qt IDEsEdit

• QDevelop: http://qdevelop.org/ (Cross-platform)
• KDevelop: http://www.kdevelop.org/ (Linux)
• Monkey Studio: http://monkeystudio.sf.net (Cross-platform)
• Eclipse (cross-platform) (see [1] or [2] or perhaps [3] for Qt integration)
• Visual Studio (Windows) (see [4] and [5] on how to get it to work with Qt)
• (vi|emacs) + gdb ;)

Qt helpEdit

• Use the Qt Assistant program -- it contains tutorials and the entire Qt API, fully-searchable.
• QtCentre Forums: http://qtcentre.org/forum

WidgetsEdit

• http://thorwil.wordpress.com/tag/widgets/
• http://vokicodder.blogspot.com/
• http://qwt.sourceforge.net/
• http://lalists.stanford.edu/lad/2006/02/0029.html

Some open-source audio apps using QtEdit

• Hydrogen: http://www.hydrogen-music.org/
• LMMS: http://lmms.sourceforge.net/
• Qtractor: http://qtractor.sourceforge.net/qtractor-index.html
• Rosegarden: http://rosegardenmusic.com
• MusE: http://www.muse-sequencer.org
• CLAM: http://clam.iua.upf.edu/
• DJPlay: http://djplay.sourceforge.net/
• AlsaModularSynth: http://alsamodular.sourceforge.net/
• Mixxx: http://mixxx.sourceforge.net
• Freecycle: http://freecycle.redsteamrecords.com/
• Sonic Visualiser: http://www.sonicvisualiser.org/

Linux & VSTsEdit

• JOST: http://www.anticore.org/jucetice/?page_id=4
• Article about JOST: http://www.linuxjournal.com/node/1000192
• FST: http://www.joebutton.co.uk/fst/
• dssi-vst: http://dssi.sourceforge.net/download.html#dssi-vst