1. iPhone Styled Checkbox
This is based on iPhone’s famous on/off toggle switches.
2. Ajax Fancy Captcha
This is a plugin that helps your web pages from bots and as well as from spammers.
3. Mark it up
This is a lightweight jQuery plugin that can turn textarea into a very nice text editor.
This can turn any standard form or link into an Ajax request.
You can now stop using TAB when you want to go to another field in a form. Autotab jQuery plugin can automatically move into another field when maximum number of text reaches in the previous field.
This will automatically resize your textareas to fit your content.
Instantly transform your old looking form into a nice good looking one!
8. In Field Labels
This plugin will put field labels inside the field itself.
9. jQuery Form Validation
Finish off your worries with form validation because jQuery Form Validation is a versatile solution that will work out with every single form, this script also provides errors that will be displayed at the top of the form.
10. jQuery Autocomplete Examples
A nice plugin that will automatically suggest words that is close related on what you’re typing.
This is an awesome plugin that provides multiple file uploads!
12. Image Combobox
This plugin will add image to the items included in dropdown box.
13. jQuery Datepicker
This is tied into a text field that when a user clicks/tabs, a calendar will appear.
This plugin will give you option to populate in different ways the default text of a form fields.
15. jQuery Password Masking
This will mask your password field.