Open Source Resources for Web Application Developers

Tagedit jQuery Plugin by Oliver Albrecht offers an easy way to add, edit and delete lists of keywords. Keywords can be brought to the user with a autocomplete list. I really like the clean and sleek design of the tags. This work is licensed under a Creative Commons Attribution 3.0 Unported License.

Requirements: jQuery Framework
Demo: http://tagedit.webwork-albrecht.de/
License: Creative Commons License

Formly allows an unbelievably easy way to add style and validation to your forms. Forms are everywhere and, usually, suck. Formly makes adding forms to your site a bit more exciting. Easily add style, validation, and a more impressive user interaction with a single function.

Formly is a light little fella. 17kb in total for the full and 14kb for the minified version. It has been tested on iPhone/iPad, Chrome 8.0+, Firefox 3.0+, Safari 4.0+, Internet Explorer 7.0+.

Requirements: jQuery Framework
Demo: http://thrivingkings.com/formly/
License: MIT License

Ajax Autocomplete for jQuery allows you to easily create autocomplete / autosuggest boxes for text input fields.

It is built with focus on performance. Results for every query are cached and pulled from local cache for the same repeating query. If there are no results for particular query it stops sending requests to the server for other queries with the same root.

It has been tested on IE 7+, FF 2+, Safari 3+, Opera 9+. And it is is freely distributable under the terms of an MIT-style license.

Requirements: jQuery Framework
Demo: http://www.devbridge.com/projects/autocomplete/jquery/
License: MIT License

CreditCard.js is a credit card validation library for JavaScript using Prototype. Using CreditCard.validate(’1111 2222 3333 4444′) returns true/false, the given string is automatically stripped of whitespace, so it can be plugged directly into form validations.

It checks if the luhn validation code add up, and the range and the length of the numbers. You can do the card identification via CreditCard.type(string) returns “Visa”, “MasterCard”, etc.

Requirements: Prototype Framework
Demo: https://github.com/madrobby/creditcard_js
License: License Free

jFormer is a form framework written on top of jQuery that allows you to quickly generate beautiful, standards compliant forms. Leveraging the latest techniques in web design, jFormer helps you create web forms that: Validate client-side, Validate server-side, Process without changing pages (using AJAX).

At 18K gzipped, jFormer is one of the first frameworks that comes Closure Compiled with Google’s latest JavaScript compression technology. You may use any jFormer project under the terms of either the MIT License or the GNU General Public License (GPL) Version 2.

Requirements: jQuery Framework
Demo: http://www.jformer.com/
License: MIT , GPL License

QapTcha is a draggable jQuery captcha system with jQuery UI. QapTcha is an easy-to-use and intuitive captcha system. Users do not need to type letters or digits from a distorted image that appears on the screen. Instead, they simply need to drag an element of the form in order to unlock it.

Requirements: jQuery Framework
Demo: http://www.myjqueryplugins.com/QapTcha/demo
License: MIT License

The Signature Pad jQuery plugin will transform an HTML form into a signature pad. The Signature Pad has two modes: TypeIt and DrawIt. In TypeIt mode the user’s signature is automatically generated as HTML text, styled with @font-face, from the input field where they type their name. In DrawIt mode the user is able to draw their signature on the canvas element.

The drawn signature is written out to a hidden input field as a JSON array using JSON.strinify(). Since the signature is saved as JSON it can be submitted as part of the form and kept on file. Using the JSON array, the signature can then be regenerated into the canvas element for display. Signature Pad works with both mouse and touch devices.

Requirements: Javascript and Canvas
Demo: http://thomasjbradley.ca/lab/signature-pad
License: New BSD License

When releasing a web product, there is nothing more beneficial than receiving early feedback from your users. Unfortunately, many websites make it unnecessarily difficult to send your feedback or lack this functionality altogether

Tutorialzine taught us how to solve this problem with a Quick Feedback Form. Powered by jQuery, PHP and the PHPMailer class, the form sends the users’ suggestions directly to your mailbox.

Requirements: jQuery Framework
Demo: http://demo.tutorialzine.com/2010/09/quick-feedback-form…
License: License Free

By far, one of the most frustrating parts of dealing with browser inconsistencies has got to be forms. Some designers advocate styling form elements to match the brand of a site. Others would tell you to leave them alone entirely, so that they adhere to the native look and feel of a given operating system.

SonSpring has come up with Formalize CSS. which bridges the gap between various browsers and OS’s, taking the best ideas from each, and implementing what is possible across the board. For the most part, this means most textual form elements have a slight inset, and all buttons look consistent, including the button tag.

Requirements: -
Demo: http://sonspring.com/journal/formalize-css
License: License Free