I like flat file scripts (withoiut MySql) I introduce You two scripts

QuickCART and QuickCMS

Free shopping cart and content management system (CMS) - OpenSolution.org

1. freeware version and extended paid editions
2. written in PHP
3. database based on flat files
4. XHTML 1.1, CSS and WAI valid
5. support SEO and good indexing results
6. WYSIWYG TinyMCE editor
7. alternative mobile version
8. supports UTF-8 encoding
9. possibility to change design of every page
10. based on MVC architecture
11. technical support for free
12. 14 000 sites based on our scripts
13. over 260 000 downloaded scripts

Just use them