Dropbox - Online Sync and File Sharing
Microsoft 365 - Boost your productivity with reliable access anywhere with services like email, calendar, file sharing, meetings, instant messaging, and Office Online
ownCloud - ownCloud is an open source project enabling businesses to host their own cloud storage while maintaining regulatory and compliance needs.
Apache OpenOffice - Apache OpenOffice is an open source, office document productivity suite.
Box - Box offers secure content management and collaboration for individuals, teams and businesses, enabling secure file sharing and access to your files online.
SSuite Office - SSuite Office is called to be one of the most accomplished software developers for both beginners and professionals alike.