Microsoft 365 - Boost your productivity with reliable access anywhere with services like email, calendar, file sharing, meetings, instant messaging, and Office Online
Roundcube - Web-based IMAP email client
Apache OpenOffice - Apache OpenOffice is an open source, office document productivity suite.
Mailo - Mailo is an email client where you can send and receive emails to and from anyone with an email address.
SoftMaker Office - SoftMaker Office is one of the most powerful and reliable office suite that is fully compatible with the MS Office Suite.
Mailpile - Mailpile is a modern, fast web-mail client with user-friendly encryption and privacy features.