The filebrowser is a lightweight PHP application that allows you to thumbnail images and view them in a web browser.…
http://www.php-csl.com/ open source application that let you keep php code snippets for future reference. doesnt need database
http://paularmstrongdesigns.com/examples/css/awesome-form.html create pure css form without coding any
http://www.somacon.com/p141.php very good in this site you also can find other interesting tools