Apache OpenOffice - Apache OpenOffice is an open source, office document productivity suite.
Microsoft 365 - Boost your productivity with reliable access anywhere with services like email, calendar, file sharing, meetings, instant messaging, and Office Online
Calligra Office - Calligra Office that is also called as Calligra Suite is the pack of multiple applications and tools that are being offered by the MS Office Suite.
SSuite Office - SSuite Office is called to be one of the most accomplished software developers for both beginners and professionals alike.
Zoho Docs - Zoho Docs is an online document management software that lets you manage and store all your files on the cloud. Share, collaborate and access all your files on multiple devices.
LibreOffice - Free office suite, open source, and compatible with .doc, .docx, .xls, .xlsx, .ppt, .pptx files. Updated regularly – download for free. Originally based on OpenOffice.org.