1.Google Gson
https://code.google.com/p/google-gson/
2.httpmime
http://hc.apache.org/
3.Commons IO
http://commons.apache.org/proper/commons-io
4.Android Next
https://github.com/mcxiaoke/Android-Next
5.Butter Knife
https://github.com/JakeWharton/butterknife
6.Universal Image Loader
https://github.com/nostra13/Android-Universal-Image-Loader
7.EventBus
https://github.com/greenrobot/EventBus
8.StickyListHeaders
https://github.com/emilsjolander/StickyListHeaders
9.PhoteView
https://github.com/chrisbanes/PhotoView
10.Android-PullToRefresh
https://github.com/chrisbanes/Android-PullToRefresh
11.CircleImageView
https://github.com/hdodenhof/CircleImageView
12.SuperToasts
https://github.com/JohnPersano/SuperToasts
13.Crouton
https://github.com/keyboardsurfer/Crouton
14.LicenseView
https://github.com/LarsWerkman/LicenseView
15.Jodd Lagarto
http://jodd.org/