Havbe a look on those: http://razorcms.co.uk/ (in opinion very fast and effective solution) http://lightneasy.org/ http://skybluecanvas.com All work without database. More on http://www.opensourcecms.com/
yes you have wordpress ect or iv found scripts for articales. http://www.articlefriendly.com/ http://www.articletrader.com/articlems/