LinkedIn.NET is a .NET library that simplifies working with LinkedIn from .NET applications. It allows to share and retrieve updates, send messages and invitations, get information about users profiles, join and leave LinkedIn groups, post comments and likes and run complicated queries via LinkedIn...
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Allows you to perform user authentication via DigitalOcean, Facebook, Foursquare, GitHub, Google, Instagram, LinkedIn, MailRu, Odnoklassniki, Salesforce, Twitter, VK (Vkontakte), Windows Live, Yandex just in two method calls.