Any software that a developer decides to publish with an open source license, is called an open source software. This software can be modified and shared by anyone as long as the terms and conditions are adhered to.
In this fast paced world, most businesses rely on IT for different requirements like customer requests, infrastructure problems, internal changes and so on. This is when IT departments are established across businesses. Sometimes, there would be lots of issues simultaneously, which the internal IT department cannot handle alone. The cost of hiring new staff can be staggering.