Form_Builder
DOWNLOAD
This is written in PHP and allows for the creation of HTML forms, including a security code, captcha and file uploads. The project currently resides on github at: Form Builder on GitHub

See some examples here

Date Selector is a JQuery based date selector -- basic and simple.

See some examples here

The image slider is a simple JQuery slider - I have adapted it a number of times for different layouts, sometimes it is easier than using a established slider with all bells and whistles which is over complicated to fit in to a site.

See some examples here