jQuery-Accessible-RIA is a set of accessible, usable & easy to implement widgets that are strictly WAI WCAG 2.0 and WAI ARIA compliant.

The widgets provided are:

• lightbox
• live form validation
• tabs
• sortable tables

jQuery-Accessible-RIA is built using the jQuery UI & works out-of-the-box. Also, they can be highly customized.

For older screen readers, it includes a workaround & for anyone willing to dive into the code, it is fully-commented.

Farm-Fresh Web Icons is a set of 1000 free icons which are very suitable to be used in web applications.

The set covers almost everything from actions to users, charts to weather, sounds to shapes & much more.

The icons come in two sizes: 16*16px & 32*32px. and they are all transparent PNG files.

OneFileCMS is, just like it sounds, is a tiny content management system which is formed of one file (20.4kb).

It is a database-less PHP script that enables you to view/edit/delete/upload files & folders very quickly.

OneFileCMS is very ideal for anyone who updates their websites by editing the source of the files directly.

It is also a backend for anyone without the need of a FTP connection.

The application has a validated, semantic & commented markup. It is unobtrusive & can be re-branded with ease.

HydraFramework is a prescriptive development framework for quickly building Flex applications at every level.

The framework’s development methodology can be totally adopted or the core classes can be used in any way you see fit in projects.

It consists several projects:

• HydraFramework Core – an implementation of MVC (otherwise known as HydraMVC)
• HydraPlugins – for quickly adding prebuilt functionality into the core
• HydraComponents – a library of components built on the HydraFramework.

The framework is well documented & presents a demo.

WooFunction is a set of 178 beautiful icons that are created by Liam McKay for WooThemes.

Icons are available in 32*32px (some are 16*16px) & in transparent PNG format.

The set is very suitable to be used in web applications as it has all the vital icons like actions, arrows, documents, users & more.

Glyphish is a set of 130 beautiful & free icons that are optimized for use on toolbars/tab bars in iPhone applications (but they are also great to be used in websites as well).

The icons in the set has various sizes in transparent PNG. Also the .PSD & .AI files are included in the download package which makes editing/improving them possible.

WebSlide is a free & JavaScript-based application for displaying/presenting images easily.

Mostly, it is built for viewing website design mockups which is very handy for freelancers & web agencies.

Slides can be switched with the help of a navigation bar or by keyboard. The navigation bar can also display any other information about the content displayed.

Images can be zoomed in/out & moved by drag’n drops. Optionally, presentations can be protected with passwords.

WebSlide does not have any server-side requirements & can be installed in minutes.

VisualPharm is sharing various sets of beautiful free icons that are offered in Windows, Mac & PNG formats.

Icon sets are themed differently from animals to office space or finance icons. And, a set named "Must Have Icons" which includes 59 icons is a nice fit to be used in web applications.

All sets come in 7 popular sizes: 16*16px, 24*24px, 32*32px, 48*48px, 64*64px, 128*128px & 256*256px.

They are free to use in personal & commercial projects (a link back is required).

ChocoTemplates is sharing 15 (currently) beautiful & free website templates including rarely-found ones like GUI & portfolio templates.

They are XHTML-CSS templates which are not customized specially for any CMS or blogging software.

Some of them (portfolio templates) come with a built-in slider script & all are free to use under the CC Attribution 3.0 license.

Baseline is a CSS framework, built with typographic standards in mind, that aims to simplify developing a website with a pleasing grid and good typography.

With the help of reset.css & base.css files, Baseline clears the default behavior of your browser & builds a basic typographic layout to start with.

Compared to most other frameworks, Baseline uses the font metrics to line up headlines, paragraphs, form labels and any other major elements rather than regular line-height. And, it is compatible only with the recent web browsers (Safari 3+, FF3+, IE8+..).

The download package includes the full set of CSS files both for development and deployment, a Photoshop base document and a full set of HTML templates and examples.