Xcalibur is software that was developed by Thermo Fisher Scientific Inc. It is a data system which is Windows-based that has the capability of providing data analysis as well as instrument control for different types of mass spectrometers manufactured by Thermo Scientific including other instruments related to it. It has a wide variety of abilities and functionalities which are specifically made for the integration of controls being provided by third-party and at the same time aids in providing the different tools needed in order to perform different types of applications. It contains an interface that is being described as easy-to-use which empowers efficient and fast acquisition, delivery of the results and processing of data. It has the capacity of integrating data processing, reporting, setting up of instruments as well as the process of acquisition. The results are readily available for review using Quan and Qual as well as Library Browsers.