This website has been created using free software. The code has been developed with the PHP and CSS frameworks phpCan e cSans, respectively, which are released under the GNU Affero 3 license. As soon as a stable version of the code of this website is attained, it will be released under a free license.
This web is a product made in the late spring of 2011 by A navalla suíza. It was launched on 16 November 2011.


Only free software was used in the process of creation of this website.

• The server runs under Debian Squeeze.
• The pages are served from Apache 2.2.15.
• The site is built with the PHP framework phpCan for PHP5, and with the CSS framework cSans. These two tools were developed by A navalla suíza.


The logo of HISTAGRA is a creation of Manuel Martínez Álvarez (Signum). The typeface used in the logo is Lato, a font that is free for distribution, designed by Łukasz Dziedzic in 2010.
The prevailing colours are red (#D6313B) and green (#D7E8E6). Also grey (#717D7D) is used for the colour of the text and, indeed, black (#000000) and white (#FFFFFF).