ContentFlow is a Coverflow like flexible, cross browser content slider written in Javascript, which can handle many content types. It comes with many content slider variations and can be customized to create your own by using Add-ons / Styles.

Features

• Easy to implement and to extend
• Auto-generated client side reflections
• Drag ‘n throw control
• Circular flow (wrap around)
• Loading progress indicator

Multiple instances of separately configurable ContentFlow can be used within one web-page. This handy Javascript Content Slider comes with Keyboard and Mouse navigation support.

Awesome collection of Free Weather Icons. The weather icons in the package are very nicely designed with a eye catching color combination of blue, orange and grey.

The set contains 38 PNG weather icons in 128*128px.

TeamLab is an open-source software for business collaboration and project management. It allows you to use social networking tools such as blogs and forums, organize business tasks and milestones, as well as communicate with your team members via corporate IM.

Features

• Create and manage existing projects
• Tasks & Milestones management
• Chat with your colleagues in real-time

TeamLab is written in ASP.NET / MySQL and can be used as a hosted service or its open source alternative allows you to deploy it on your own servers.

PlotKit is a Chart and Graph Plotting Library for Javascript, aimed at web applications that require plotting series of data in modern web browsers.

It has support for HTML Canvas and SVG via Adobe SVG Viewer and native browser support. PlotKit is easily extensible to include other rendering engines, styles and layouts.

A small but useful free resource contributed by Joel Laumans. Joel is sharing Free PSD browser templates with three different browser resolutions; all with easily editable titles, address bars, scrollbars, and favicons.

• Easily editable psd browser templates (Firefox OSX, Firefox Windows, and IE)
• Available resolutions (1280×1024, 1024×768, 800×600)

jPint is a work in progress iphone web development framework designed to allow developers to build iphone like web-based applications that look and feel as much like native iPhone apps as possible, while retaining the ability for those apps to be used by people who, for whatever reason, don’t actually have an iPhone handy.

Supported Environments:

• iPhone
• Safari and Firefox as a standard web page
• Google Gadgets for the aforementioned browsers

Elastic Lists is an open source tool that allows you to create a faceted browsing interface for navigating large, multi-dimensional info spaces with just a few clicks.

Elastic Lists enhances traditional UI approaches for facet browsers by visualizing:

• Weight proportions
• Animated transitions
• Emphasis of characteristic values
• Sparkline visualizations

Elastic Lists is an AS3 project for use in Flash CS4 or Flex.

For UI designers and website developers, there are a huge number of nice icon collections but most of these collections are designed for specific purpose, theme or industry.

Most of the time, designers have to mix and match desired icons and customize them according to the requirements resulting in a lot of effort, un-balanced designs, and sometimes mere frustration.

gcons is a comprehensive collection of 100 creative, multi-purpose and open source icons for the web and desktop applications.

These open source icons come in 12 different colors and are available in PSD, PNG, JPG and GIF formats (more formats coming soon). Available size in this release is, 32*32px.

gcons is exclusively designed for Smashing Magazine by Greepit. Have a look at exclusive release post by our friends at Smashing Magazine.

CSS3 brings with it some incredibly powerful styling features. Rounded corners, soft drop shadows, gradient fills, and so on. These are the kinds of elements our designer friends love to use because they make for attractive sites, but are difficult and time-consuming to implement, involving complex sprite images, extra non-semantic markup, large JavaScript libraries, and other lovely hacks.

As Internet Explorer has serious issues supporting CSS3 features and for those designers / developers who are facing such issues; Greepit previously shared couple of resources to add CSS3 support to Internet Explorer, checkout IE-CSS3 and Modernizr.

PIE (progressive internet explorer) is an IE attached behavior (.htc file) which makes Internet Explorer 6-8 capable of rendering several of the most useful CSS3 decoration features.

baseJS is a lightweight Javascript mobile framework intended for use with Mobile Safari on the iPhone and iPod Touch; it also works with Firefox and all WebKit-based browsers.

By providing shortcuts and reusable methods, baseJS helps you write code to be lightweight and expendable, perfect for the mobile web.

Features

• Falls back on Sizzle selector library for iPhone 1.x (if query selector support unavailable)
• Encourages use of CSS Transitions and Animations
• Object-oriented mobile javascript framework
• Easy to extend

baseJS is not useable with Internet Explorer.