mFax - mFax is a cloud-based fax solution for sending and receiving faxes from any device.
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.
Hellofax - Easy. Reliable. Online faxing. Send & receive faxes from anywhere.
Microsoft 365 - Boost your productivity with reliable access anywhere with services like email, calendar, file sharing, meetings, instant messaging, and Office Online
XM Fax - XM Fax is a file exchange solution that provides companies and users with secure transmission of their highly sensitive documents, including contracts, financial statements, transcripts, legal notices, etc.
ONLYOFFICE - ONLYOFFICE is a complete office and productivity suite.