Project management is planning, arranging, scheduling and managing some resources for the completion of a certain task with achievement of its goals and set objectives.
Project management softwares are specially designed softwares for covering many types of software, including scheduling, cost control, budget management, resource allocation, collaboration software, communication, quality management and documentation or administration systems, which are used to deal with the complexity of large projects.
The basic tasks of project management softwares are divided into 3 main groups

1. Scheduling: Scheduling is the most important task, as it the one which schedules or forms a pattern for how to work and use the tools for the achievement of the end goal- the Project. Scheduling constitutes of some specified challenges that it has to meet like arranging the resources, the professionals to work, relating events with one another, completion of task within its time limit, dealing several other projects for finalizing the main project.

2. Calculation: Calculating is basically to calculate all the events time and schedules that are occurring for the fulfillment of the main project. This is which determines the exact finishing time of the main project.

3. Information: The provision of information to a number of people for the various tasks is an essential element, with scheduling the resources and having an overview of the maximum time, any phase involving risk, information regarding amount of work. One of its utmost features is that to give information regarding previous projects, how they were consumed and progressed- the historical information.