It’s a well-known fact that Microsoft 365 is the default productivity solution for many companies and its range of features is truly impressive. It includes such functionalities as document editing, real-time collaboration, file sharing, project management, email, calendaring, and video conferencing. In other words, Microsoft 365 provides both personal and corporate users with all the essential applications that allow them to get their work done effortlessly and quickly. But is Microsoft 365 your only option? Here are five open-source choices.