TEFview is a Viewer for TablEdit tablature files (.TEF format).
TEFview allows you as well to view and listen to PowerTab files.
NOTE: The MIDI playback doesn't work with OSX 8. It'll be corrected by the next update as soon as the issue has been fixed by Apple.
TablEdit tablature files are created with TablEdit™, a program for creating, editing, printing and listening to tablature and sheet music (standard notation) for guitar and other fretted, stringed instruments.
Additionally, TablEdit, while designed for guitarists, by guitarists, is not limited to guitar like other Tablature programs. Through ongoing consultation with experts on other instruments, TablEdit has developed support for harmonica, dulcimer, pedal steel guitar, diatonic accordion, drums, violin, tin whistle, recorder, xaphoon, native american flute, oud and banjo.
TablEdit can open/import ASCII, MIDI, ABC, Guitar Pro, PowerTab, Bucket O\' Tab, TabRite and MusicXML files.