Caller IDApp FREE - Award winning app makes your phone smarter and your life easier. The reverse number lookup facility allows you to get the name, adress etc. of who is calling you, even if the number is unknown or not in your contacts. The app also suggest alternative businesses when you cannot reach a merchant. This smart app really simplifies your everyday mobile phone usage - And it's all FREE!
Mobile Number Tracer Here is another useful Java application Mobile Number Tracer for Indian mobile users only who own Symbian touch screen mobiles
Truecaller 2015 Truecaller is replacing the phonebook to make it more intelligent and useful. It lets you search beyond your existing contact list, identify unknown incoming calls, block calls you don’t want to receive, and make personal contact suggestions based on time and place
Netnummer Enter an area code and the program tells you where it is
Call-ID India FREE This smart app gives you the name and address info of callers you don't know - New FREE version!
Caller_TrueID TrueCaller app can find details of unknown mobile or landline phone numbers. These details may include name, address and location of the caller. TrueCaller can also block unwanted calls and fill details in your phonebook using social media profiles of contacts. It instantly tells you who’s calling before you pick up the call
cellity groupCALL cellity groupCALL - groupCALL saves time, money and energy. Just launch the application, select the people you want to call one after the other from your contacts and your conference can start. It works worldwide, no new phone number, no new SIM card, no new contract required