A modular software, by definition, is a software designed for businesses and freelancers with the customer's needs in mind. It is designed to follow a strategy that allows the user to choose only the functionalities they will use.
These functionalities or modules can be added later based on future needs.
The main advantage of this software model is that you only pay for the functionalities you will use, making the program much more cost-effective.
Advantages of Modular Software