Roundcube - Web-based IMAP email client
Google Calendar - Spend less time managing your day & more time enjoying it
Mailo - Mailo is an email client where you can send and receive emails to and from anyone with an email address.
Microsoft Outlook - Organize your world. Outlook’s email and calendar tools help you communicate, stay on top of what matters, and get things done.
Mailpile - Mailpile is a modern, fast web-mail client with user-friendly encryption and privacy features.
Microsoft Outlook Calendar - Calendar is a time-management web application by Microsoft.