title: Open Source iPhone app UI Controls?
body: <p>I am quit new to iPhone development, developing an which <strong>need controls somethings like in the image below</strong>. I searched for this in almost every new network which have open source controls, but no luck. So here are 3 question:</p>
  
  <ol>
  <li><p><strong>Any open source library for these controls that are used in below image?</strong></p></li>
  <li><p>If no idea about any open source control like this, then how do I have to start developing this controls by writing hard code? any helping libraries for his job?</p>
  
  <p>Here is url to this: <a href="http://itunes.apple.com/us/app/circle-whos-around-you/id488720081?mt=8" rel="nofollow noreferrer">http://itunes.apple.com/us/app/circle-whos-around-you/id488720081?mt=8</a></p>
  
  <p>Every Single clue would be helpful, please share any information you think would be useful.</p></li>
  </ol>
  
  <p><img src="https://i.stack.imgur.com/DsRsn.jpg" alt="enter image description here"></p>