datePicker is a clean, unobtrusive calendar component for jQuery which allows you to easily add date picker functionality to your web forms and pages.

Designed from the ground up to be flexible and extensible, the date picker can be used in unlimited ways to allow you to add calendar widgets to your pages.

Open Video Player (OVP) is an initiative encompassing the use of open standards, best practices, and established development methodologies in the development of media player applications.

The Open Video Player added support for HTML5 with their new member named: OVP for HTML5 <video>. This project provides a simple JavaScript library to accelerate the development of HTML5 <video> experiences.

Features

• Intelligent player technology selection
• Standardized user interface across player technologies
• Native mRSS Playlist support
• Create and modify themes for the controls using standard CSS & Javascript
• Uses industry standard jQuery

WebMatrix is web development toolkit you need to build Web sites using Windows. It includes:

• IIS Developer Express (a development Web server)
• ASP.NET (a Web framework)
• SQL Server Compact (an embedded database)

WebMatrix provides a fresh, new Web site development experience that seamlessly bridges all the key components you need in order to create, run, and deploy a Web site.

WebMatrix takes the secrets out of search engine optimization, provides clear guidance on how to make your site better, and even offers to take you right to the file in your site you need to fix.

Show Slow is an open source tool that helps monitor various website performance metrics over time. It captures the results of YSlow and Page Speed rankings and graphs them, to help you understand how various changes to your site affect its performance.

Show Slow can be used as a free online service and can be downloaded to install on your own server.

dashCommerce, an Open Source ASP.NET e-commerce application focused on providing a robust e-commercce application that is stable and highly usable. dashCommerce is a flexible product that incorporates all three major components of an e-commerce application:

• Product Catalog
• Shopping Cart
• Order Fulfillment

dashCommerce has an enormous amount of functionality with many powerful features including Checkout / Order Management, Inventory Control, Configurable Content Management System and multi-language support.

Greepit previously published a Free JavaScript based Content Slider, SlideDeck. This free content slider is now released as a free WordPress plugin.

SlideDeck helps your to create a media and content rich slider on your WordPress powered blog or website without writing a single line of code! The SlideDeck wordpress plugin works within the easy-to-use WordPress interface and allows you to post a slider live in minutes. Insert your SlideDeck into your posts, on your pages and even in your theme!

AdverTool is an open source Tool that integrates the most popular advertisement networks (Google Adwords, Microsoft Ad Center, Facebook, etc…) and helps advertisers to publish their ads saving time and optimizing costs and conversions.

• Reduced learning curve: Forget about learning so many Web applications out there
• Nice User Interface and localized to many languages
• Fast and secure
• Active development

TinyAlert is a lightweight (only 1.4k) alert system with Mootools and CSS3. Its easily customizable and bundled with few skins.

You can create your very own skins to match with your website or web application. You can also control the alert positions.

A clean, professional and first HTML5 audio, video and image gallery based on jMediaElement which is an HTML5 audio and video development kit with Flash and VLC Fallback.

Multimedia Gallery integrates audio and video as exhibit pieces along images. It uses an XML file for defining the items in the gallery and a PHP class with an XSL Stylesheet to transform the data. Once a thumbnail is clicked, it navigates through the previews and shows the descriptions (from the configuration XML file).

MyClientBase is a simple, intuitive, free and open source web based invoice management software developed specially for freelancers. Highly customizable options and features provide a powerful invoicing solution.

This invoice management software is written in PHP, on top of the excellent CodeIgniter framework. Built-in modularity gives developers a pathway to write custom modules.

It comes with a many comprehensive features including an informative dashboard, invoice management, client management & tax rate management modules.