One of the largest professional networking service LinkedIn announces the applications API i.e you can add different famous applications on your linkedin profiles.Some of the common benifits includes Promoting your blog and develop your personal brand,Sharing your valuable presentations,application to manage all your important files online,Various twitter activity associated with you and your company,See where your LinkedIn network is traveling and when you will be in the same city as your colleagues,various secure online workspaces,Extend your professional profile by sharing the books you’re reading with other LinkedIn members etc.You can find List Of applications here.

With Linkedin Applications you can present yourself and your work in new ways.

  • Google Docs on LinkedIn: Embed a presentation on your profile.

    Google Presentation

  • SlideShare on LinkedIn: Share, view and comment on presentations from your Applications
  • WordPress on LinkedIn: Promote your blog and latest posts.

Work collaboratively with your network via Linkedin Applications

  • Box on LinkedIn: Share files and collaborate with your network. Boxnet Files
  • Huddle on LinkedIn: Private workspaces to collaborate with your network on projects.

    Huddle Workspaces

Share information and keep up to date with your network.

  • Amazon on LinkedIn: Discover what your network is reading.

    Reading List by Amazon

  • TripIt on LinkedIn: See where your network is traveling.

    My Travel

  • SixApart on LinkedIn: Stay up to date with your network’s latest blog posts.Similarly they have Blog Link Application

Gain key insights that will make you more effective.

  • Company Buzz by LinkedIn: See what people are saying about your company.

    Company Buzz

Source: from Linkedin Mail and You can find List Of applications here.