TuxGuitar

TuxGuitar is a multitrack tablature editor and player.
It can open Guitar Pro and PowerTab files.

With TuxGuitar, you will be able to compose music using
the following features:

• Tablature editor
• Score Viewer
• Autoscroll while playing
• Note duration management
• Various effects (bend, slide, vibrato, hammer-on/pull-off)
• Support for triplets (5,6,7,9,10,11,12)
• Repeat open, close and alternative endings
• Time signature management
• Tempo management

Note: this version of TuxGuitar is missing google
drive functionality as it depends on a proprietary
library.