Yahoo Mail
Gmail
Microsoft Outlook
Zoho Mail
AOL Mail
GMX
ProtonMail
Hushmail
Kontact - KOrganizer
Google Calendar
Simple Calendar
Microsoft Outlook
GNOME Calendar
Rainlendar
Lightning Calendar
Kontact
Yahoo MailI have been using yahoo mail for quite some time. However, I am not really impressed with their product or their improvements. Since 2013 I had issues regarding hacking, their advertisement placement is very frustrating, their platform is very slow and these factors are some to name a few. An alternative email platform that I would recommend and I am currently using is Milfence which offers an secure email service offering end to end encryption and a protected platform.
Gmail - Gmail is available across all your devices Android, iOS, and desktop devices. Sort, collaborate or call a friend without leaving your inbox.
Google Calendar - Spend less time managing your day & more time enjoying it
Microsoft Outlook - Organize your world. Outlook’s email and calendar tools help you communicate, stay on top of what matters, and get things done.
Simple Calendar - A simple calendar with events (optional recurring and reminders), week numbers and a customizable...
Zoho Mail - Zoho Mail is a secure, encrypted, and enterprise-ready email solution, a suite of apps tailor-made for your organization's needs.
AOL Mail - FREE e-mail account with IMAP, spam and virus protection with UNLIMITED storage (GMail max. 7.3 GB).