WAVE Calendar - WAVE Calendar is a revolutionary app, which is designed to bring balance to your life
Thunderbird - Thunderbird is a free email application that's easy to set up and customize - and it's loaded with great features!
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.
CalenGoo - Features | 1.0.175 for Android™
eM Client - eM Client is a fully-featured email client for Windows and macOS with a clean and easy-to-use interface. eM Client also offers features for calendars, tasks, contacts, notes, and chat.