favico.js

http://lab.ejci.net/favico.js/

Make a use of your favicon with badges, images or videos

php-ico

https://github.com/chrisbliss18/php-ico

PHP ICO provides an easy-to-use PHP class that can be used to generate valid ICO files. Note that these are not simply BMP, GIF, or PNG formatted images with an extension of ico, the images generated by this class are fully valid ICO-formatted image files.

FavIcon from Pics

http://www.html-kit.com/e/favicon.cgi

FavIcon from Pics

Create a favicon, iPod icon etc by uploading an image.