This program is freeware, you can do what you want, to copy it and / or to distribute it whenever that you respect its code and the author.
Personal page and email of contact:

My personal page: josejoa.net

My personal mail: my mail

Finally if you have liked the program also you can help with your collaboration: Donate

I am useful to name Alejandro Sazo Rojas of whom only I can have words of gratefulness, without his help it had been difficult to take to good term this project.

To all thank you very much.