This thesis describes the Queueing Theory and the software’s, Queueing is a day to day lifetime thing we all do just like waiting in the Traffic, Waiting the Food Court to be attended waiting in the Bank to be attended and so on. But here we are talking more about the Software’s or Applications that makes Queueing easier an organize and know the time waiting, time being attended and more. which breaks down to the softwares that can help estimate the time of waiting,services and many more.