General Purpose Mainframe
and
Microcomputing Era
(1959 to Present)


Personal Computer Era
(1981 to Present)


Client Server Era
(1983 to Present)


Enterprise
Computing Era
(1992 to Present)


Cloud and Mobile Computing Era
(2000 to Present)

General Purpose Mainframe
and
Microcomputing Era
(1959 to Present)


Personal Computer Era
(1981 to Present)


Client Server Era
(1983 to Present)


Enterprise
Computing Era
(1992 to Present)


Cloud and Mobile Computing Era
(2000 to Present)

WordPress
WordPress®
Apache Software
Apache Software Foundation®
MySQL
MySQL®
Linux
Linux®
Zen Cart
Zen Cart®
Perl.org
Perl.org©
The PHP Group The PHP Group
The PHP Group©
Free Software Foundation
IT ELAZOS S.L. ReOS©
Free Software Foundation
Free Software Foundation©