Free & Open Source Software

"Free as in Freedom: Open Distribution; Open Modification"

The Diagram below is a simplified development model:

(from the MySQL website)

"MySQL is a key part of LAMP (Linux, Apache, MySQL, PHP / Perl / Python), a fast growing open source enterprise software stack. More and more companies are using LAMP as an alternative to expensive proprietary software stacks because of its lower cost and freedom from lock-in."14