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Tutanota is a free and open source web-mail client that focuses on privacy and security. It has open source iOS and an Android apps. Open source Android email client with support for multi-folder sync, keyboard shortcuts, and more.
Part of the Microsoft Office Suite, Outlook is a personal information manager that lets you manage your e-mail, calendar, contacts, and tasks. eM Client is a full featured e-mail client with a modern and easy to use interface. eM Client also offers calendar, tasks, contacts, notes and chat. Evolution is a personal information management application that provides integrated mail, calendaring, address book and task list functionality. Mailbird is more than just another email client - It's an all-in-one communication platform for email, contacts, calendar, apps, task management, video meetings and much more. Try it free, today. Google Contacts is Google's contact management tool that is available in its free email service Gmail, as a standalone service, and as a part of Google's business-oriented... mailbox.org offers a secure e-mail account for home and business use. The domain name, me@mailbox.org, is easy to remember and can be understood anywhere in the world. Secure, end-to-end encrypted, and privacy respecting sync for your contacts, calendars and tasks. Everything is encrypted on the client-side and all the code (client and server) is open source. The top contact management platform for professionals, teams and small businesses. Sync, deduplicate, enrich, & more. Effortlessly manage your address book contacts with Contacts+. Email, calendars, and contacts to highest standards of security, privacy and reliability. The Nextcloud contacts app is a user interface for Nextcloud's CardDAV server. Personal Information Manager (Mail, Contact, Calendar and more). Free service that takes care of your contacts, calendars and more so you don't have to. Keepmark allows you to organize your files, documents, emails, bookmarks, tasks and generally - resources.
