ChartDirector

	http://www.advsofteng.com/cdphp.html



GraPHPite

	http://graphpite.sourceforge.net/



JpGraph

	http://www.aditus.nu/jpgraph/



LibChart

	http://naku.dohcrew.com/libchart/pages/introduction/



pChart

	http://pchart.sourceforge.net/



TeeChart

	http://www.steema.com/products/teechart/overview.html



PHPGraphLib

    http://www.ebrueggeman.com/phpgraphlib