gnome-chord

Gnome-chord is an impressive guitar chord index software that showcases a chosen chord on a guitar fretboard. It is an open-source software licensed under GPL which means it can be freely used and distributed. It is designed to function both as a standalone application or integrated with other applications to offer chord selection and rendering.

The easiest way to install the software is by following these simple steps:

1. `cd' to the directory that contains the package's source code and type './configure' to configure the package for your system.

2. Use `make' to compile the package.

3. Running self-tests that come with the package is optional, and this can be done by typing `make check'.

4. Finally, install the programs, documentation, and any data files by typing `make install'.

Additionally, when done using Gnome-chord, you can remove the program binaries and object files from the directory of the source code by typing `make clean'. If you intend to compile the package for a different computer, you can remove the files that 'configure' created by typing `make distclean'. While there's another target, 'make maintainer-clean,' it's meant for developers of the software.

In summary, Gnome-chord stands out as an indispensable software that simplifies the process of finding how to play a specific chord or scale. Its user-friendliness and flexibility in use make it a must-have for every guitar enthusiast.