TuxGuitar is a free open source multitrack guitar tablature editor and player for Linux, Windows and Mac OS. It is written in Java-SWT and released under GNU Lesser General Public License. It comes with Tablature editor,
Score Viewer and Multitrack display. You can Imports and exports gp3, gp4 and gp5 files in TuxGuitar . Using this you can open GuitarPro, PowerTab and TablEdit files. Some other important features are Autoscroll while playing, Time signature, Note duration and Tempo management. It comes with bend, slide, vibrato, hammer-on/pull-off effects and triplets support (5,6,7,9,10,11,12).