inputEx is a javascript framework, built on the top of YUI, for creating forms and form objects.
It uses no html (opposite of unobtrusive libraries): all the fields and forms are configured using JSON. It provides a very efficient abstraction for building interactive web applications.

inputEx features:
- json configuration for each field
- complex data structures (list/objects/tree/list of urls/objects of objects etc…)
- composition between the fields (for “meta”-fields such as InPlaceEdit,List,Tree,Pair,…)
- javascript object mapping for greater interactivity
- a common “updated” event to handle different browsers and different field interactions
Requirements: YUI 2.5.1+
Compatibility: Firefox 1.5+, Safari 2.0+, IE 7.0 and Opera 9+
There are lots of JavaScript color pickers which work great but there are few which are similar to the Photoshop’s color picker.
This JavaScript color picker has HSB and RGB options, uses Prototype and compatible with all major browsers.

This script can be a solution for users who are looking for an advanced color picker in their applications.
Requirements: Prototype
Compatibility: All Major Browsers
Securimage is an free PHP captcha script used for protecting web forms from spam and abuse.
It can be easily installed and very well documented.
Different than the famous reCAPTCHA, which is web-based, Securimage is a downloadable solution that requires PHP and GD library to work.

Some feature of this captcha solution:
- Show an image in just 3 lines of code
- Validate submitted entries in less than 6 lines of code
- Customizable code length
- Choose the character set
- TTF font support
- Use custom GD fonts when TTF is not available
- Easily add background images
- Multi colored, angled, and transparent text options
- Arched lines through text
- Generates audible CAPTCHA files in wav format
- Use a word list for creating CAPTCHA codes
You can find a demo of the captcha here.
Requirements: PHP 4.3+, GD Library
For the projects that you don’t already have form controls, wForms is an open source unobtrusive JavaScript form controls library that you’ll find very useful.

It includes input validation, tooltips, field synchronization controls and more.
How to use wForms?
It is pretty easy. After inserting the javaScript library to your pages you can control the field attributes with classes like:
<input type="text" ... class="required"/>
inserts the a required field control for this input.
Paging with navigation is also another nice control which makes multi-step forms easy to handle.
Requirements: No Requirements
Compatibility: All Major Browsers
LightForm is an AJAX - PHP Contact Form is a simple but handy script for creating charming & secure contact forms.
It uses FormCheck2 for validation and NiceForms for the styling of the form.

LightForm has the "question asking" feature for eliminating spams & it provides the user IP, referrer and browser agent in the message to provide more details about the visitor.
Compatibility: All Major Browsers
Control Suite is a set of 6 high quality widgets and controls built with the Prototype JavaScript framework.
Each script is well tested, highly extensible and unobstrusive.

Suite has these widgets and controls:
- Tab
- Modal
- TextArea
- Select Multiple
- Rating
- Progress Bar
Different approach to star rating:

Suite is very well documented. You can easily reach the details of the APIs and this makes the product much more usable.
Requirements: Prototype JavaScript Library
Compatibility: All Major Browsers
Virtual keyboard interfaces are generally used in websites where the highest level of security is a must like online banking applications.
Virtual keyboards help us to prevent any keylogging activies and/or provide users a special keyboard which they don’t already have (like a keyboard of another language).
This virtual keyboard very easy to use and already supports many languages.

How to use virtual keyboard?
You simply include the keyboard.js file and create a text element with the class = keyboardInput. That’s all.
Requirements: No Requirements
Compatibility: All Major B>rowsers
mooRainbow is an easy to integrate JavaScript color picker built with mootools.
This color picker can be attached to any element in the DOM. A click event would automatically be attached to that element and simply clicking on it you will be able to show or hide mooRainbow.

This mootools powered JavaScript color picker:
- is fully customizable via CSS file.
- keeps clean your DOM and generates valid XHTML and CSS.
- provides you, as return, an object containing RGB, HSB and HEX of choosen color.
- works on Firefox/Safari/Opera/IE.
Requirements: mootools v.1.11+
Compatibility: All Major Browsers
Input masks are handy for better form handling and creating more user-friendly forms.
Masks for different input types can be created easily with the tools below.
iMask is an open source (free) javascript tool for creating input and textarea masking. It is built on Mootools, supports keyboard control and dynamic charset definition.

This is a masked input plugin for the jQuery javascript library. It allows a user to more easily enter fixed width input where you would like them to enter the data in a certain format (dates,phone numbers, etc).

A nice JavaScript input mask which helps displaying the password field characters as images.

A tiny JavaScript for input masking.

A simple yet nice input mask.

JavaScripTools is a set of JavaScript components, functions and classes which also includes a powerful input mask library.

Typecast is an input field augmentation library. When complete it will add autocomplete, suggest and realtime character masking ability to the standard HTML input field.

SearchField is a lightweight and unobtrusive script that adds styling and static auto-suggest behaviour to your search form fields.
Auto-suggest data comes from a static data source, a JavaScript file, no data connections are necessary, updating the JavaScript with the common phrases is enough.

To use SearchField, all you need is linking to the CSS and JavaScript files, that’s all.