Guitar Pro File Format (.gtp, .gp3, .gp4)

There is no official documentation for the Guitar Pro format.

A good starting point to understand the format is the reading routines of KGuitar. See convertgtp.cpp in kguitar.svn.sourceforge.net/viewvc/kguitar/trunk/kguitar/kguitar/ (GPL)

Programs exporting Guitar Pro File Format (.gtp, .gp3, .gp4):

Windows, Mac OS X

Harmony Assistant - music composition and notation editing.	Mac OS 8.6, Mac OS 9.x, Mac OS X, Windows
KGuitar	Posix, QT, KDE, TSE, Linux 2.2, Linux 2.4, FreeBSD 4.4 / STABLE, Solaris (gcc)
Guitar Pro - tablature editor	Windows, Mac OS X

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