Have you ever wanted the sample code of an iPhone Game or app that is live in Appstore.
Credits to Maniacdev for posting these helpful links. You can find the full list there.

I’m just listing ten of which I like

1. Canabalt – Source

2. Doom Classic – Source

3. Wikipedia – Source

4. WordPress – Source

5. Wolfenstein 3D Classic Platinum – Source

6. Tweejump – Source

7. Task Coach – Source

8. Sign+ – Source

9. pwSafe – Password Safe for iOS – Source

10. Last.fm – Source

You can find the full list on the above link.
Cheers ;)