What is Cydia in Jaibroken iPhone??
What is Cydia??
Cydia is an alternative to App Store for jailbroken devices,
including iPhones, iPads, and iPod Touches, specializing in the distribution of all that is not an “app”.
Using Cydia you can install themes,Apps for free.
There are many sources that provides free applications,Utilities and much more.
You just have to add these sources in your cydia source list.
How To add a new source to Cydia
1) Open Cydia