Answer:
<h2>Google apps </h2>
Explanation:
What is Collaborative software?
Collaborative software is a software solution designed to help people work together while enhancing document sharing and a host of other functionalities.
Basically, collaborative software consists of a group of applications used by a team with a common goal
Google application is a perfect example of a collaborative software
It has web-based real-time collaboration: document, word processing, spreadsheet, presentation editing, and more of other features like meeting etc.
