ComparePSD is a must-have tool for Photoshop professionals, it compares two Photoshop PSD files and highlights the differences layer by layer and effect by effect.

Features

• Compares PSD files layer-by-layer
• Handles layers styles (effects), styles attributes and layers visibility flags
• Provides a scaled view of the files that helps you to find differences easier
• Allows you to select the files in Windows Explorer by right-clicking on them

Hummingbird lets you see how visitors are interacting with your website in real time. WebSockets enable Hummingbird to update 20 times per second to provide you a real time traffic analysis.

Hummingbird serves a 1×1 tracking pixel to users. In the browser’s GET request it sends back tracking data generated by javascript.

Hummingbird is built on top of Node.js, a new javascript web toolkit that can handle large amounts of traffic and many concurrent users.

Right now the only browsers that support it are Chrome and WebKit Safari.

If you’re building a multilingual website or application, you probably use language files. When you change content in one language file, you need to remember to update the other language files. Even with source control, this can get messy pretty quickly if you have many languages, many translators or a large site.

String was built to keep things organized. It can manage your language files – from PHP to PO to Rails to iPhone applications. You can now easily add languages and sections to your site. You can also invite users and control permissions.

String is free, with no project limitations. Invite as many users as you like. You’re free to extract all your data, close your project at any time and you can easily import and export projects.

gvChart is a jQuery plugin, that uses Google Charts API to create interactive visualization by using data from the HTML table tag.

Its very easy to create charts with gvChart jQuery plugin:

1. Create an HTML table
2. Download and initialize gvChart
3. Connect gvChart to your table

Easily customizable and allows to create Area, Line, Bar, Column and Pie charts.

HumbleFinance is an HTML5 data visualization tool written as a demonstration of interactive graphing in HTML5. This HTML5 charting tool is written entirely in JavaScript, using the Prototype and Flotr libraries. It can be used to display any two 2-D data sets of real numerical data which share an axis.

You can mouse over the chart for additional data, as well as zoom and pan the charts using the grey buttons.

SimpleSlide is a lightweight jQuery slideshow plugin to create an image slideshow or a text based content slider for your site. This plugin won’t bog down your site or burn out your users’ browsers, even using it in multiple iterations per page.

With the little markup you need to add to your site, you get a full feature set like:

• Ability to put whatever data you want within the slide window, even mixed types
• Full screen display and swipe functionality

DDChart is a JSON data driven bar chart plugin that creates a classy bar chart with flash like animation effects.

Its a small yet useful bar chart jQuery plugin that is packed with nice features including:

• Zoom-in / zoom-out effect on bar charts during drilling up / down with flashy animations
• Bars, legends, and fonts expand and contract to fit their container
• On load chart recalculations to fit all containers
• Automatic drill up breadcumb creation

PHP-Ext is an open source widget library written for PHP 4 and PHP 5 to empower the UI Layer based on Ext JS Javascript widgets which provide a standard and powerful API to build Rich Internet Applications.

PHP-Ext provides useful and common controls to create forms, rich combo boxes, powerful grids and menus. It also promotes the use of JSON and XML client/server communication to populate forms and grids using Ajax. Additionally it has a Javascript helper to ease the Javascript code generation and use.

P.S. This PHP Widget Library is in beta so you may experience small issues.

Validity is a powerful Client Side Javascript Form Validator jQuery Plugin. Instead of writing validation manually or balancing some unwieldy server-side framework, validity allows you to design client-side validation in a manner that feels natural and straightforward.

This Javascript Form Validator Plugin is appropriate for simple validation scenarios, but it is designed while keeping the more complex, dynamic, or conditional scenarios as well.

Features

• Manageable and semantic
• Unobtrusive JavaScript
• Customizable Appearance

Validation messages can be easily customized to match the look and feel of your site.

OpenWYSIWYG is free, open source, cross-browser WYSIWYG editor completely written in JavaScript and comes with a professional and sleek user interface.

OpenWYSIWYG has powerful editing environment and packed with every rich-text editing feature that makes your content management system much better.