Final thesis deals with functions and usage of software for project management in the specific conditions of project management background of organization. Introduction into project management software presents it's characteristics, usage and roles when providing support of project management activities and procedures. Models of organization's project management are defined by investigation of usage of software for project management in the specific conditions of organization. Based on detailed analysis of software functions we define functional spectra, which specify importance of functional areas of software for every model of organization's project management. Such concept of functinal spectra can be used when evaluating suitability of u...