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GMap.NET is a powerful, free, cross platform, Open Source .NET control. It enables the use of routing, geocoding, and maps from Google, Yahoo!, OpenStreet in Windows Forms and Presentation, and supports caching!

Learn how to use Delicious OAuth API in your .NET projects with an example

The service that Yahoo! Finance provides to download financial data is nice, but you have to know the right tags and symbols and how to build the URL to use it. This library will undertake this annoying task for you.

The richest set of cloud computing services comes from a little e-commerce company known as Amazon.com. Developers can access the Amazon Web Services (AWS) platform using numerous tools including the .NET platform.Amazon.com is a major player in the cloud computing space and has numerous services available to developers. In late 2009, Amazon released the AWS SDK for .NET. This article will demonstrate using the AWS SDK to create a custom backup service using the Amazon Simple Storage Service (S3).

This article explores the open source Flickr API library called Flickr.Net, which was created by Sam Judson and was used in my aforementioned project. Specifically, well look at how to create an ASP.NET website that displays a smattering of randomly selected pictures from a particular Flickr user, along with how to show a specific pictures comments (if any exist). And the complete code in both Visual Basic and C# is available for download at the end of this article.

Discover how easy it is to call the Twitter API from your .NET applications.

The Windows Live APIs now expose a standard authentication technology that lets your Web application access Windows Live user data easily, yet keeps control in the hands of users.

United States Postal Service (USPS) Web Tools Wrapper is a .NET library you can use for address validation, retrieving rates and YES even printing label.

Do you have a cool personalized application that you want to offer to over 400 million users? Do you want to light it up with Live controls or create a mashup with Live resources?Windows Live ID now offers a simple way for third parties to get Live ID authentication in your Web or rich client applications, letting you reach millions of Live ID users, integrate with Live Controls, and access Live services.

Have you ever wanted to implement search capabilities on your own Web site but didn't want to implement the logic and deal with issues such as storage and indexing?The Live Search team now offers two different ways to utilize Search on your site: using the Live Search Box or using the Windows Live Search API.