  We present the Tight-Binding Studio (TBStudio) software package for
calculating tight-binding Hamiltonian from a set of Bloch energy bands obtained
from first principle theories such as density functional theory, Hartree-Fock
calculations or Semi-empirical band structure theory. This will be helpful for
scientists who are interested in studying the electronic properties of
structures using Green's function theory in tight-binding approximation.
TBStudio is a cross-platform application written in C++ with a graphical user
interface design that is user-friendly and easy to work with. This software is
powered by Linear Algebra Package C interface library for solving the
eigenvalue problems and the standard high-performance OpenGL graphic library
for real-time plotting. TBStudio and its examples together with the tutorials
are available for download from tight-binding.com.
