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Apps with 'Calendar integration' feature

  1. Thunderbird is a free, open source, cross-platform e-mail, news and instant messaging client. The project strategy is modeled after Mozilla Firefox.
  2. You should have full control over your data. We help you achieve that: a safe home for all your data. Secure, under your control and developed in an open, transparent and trustworthy way. We are Nextcloud.
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  3. Infinitely flexible. Incredibly easy to use. Great mobile apps. It's free. Trello keeps track of everything, from the big picture to the minute details.
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  4. With Google Calendar, its easy to keep track of all your lifes important events in one place. You can add events and send invitations effortlessly, share your schedule with friends and family, and search for events you might enjoy.
  5. Store your private pictures, documents, calendar and contacts on your ownCloud server at home, a rented VPS or use one of the public ownCloud providers.
  6. Ubuntu Touch is a mobile version of the Ubuntu operating system for mobile devices. It is adapted to run naturally in a mobile, touch-screen environment but is also capable of functioning as a desktop computer while in "desktop mode".
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  7. Microsoft Outlook, part of the Microsoft Office Suite (not to be confused with Microsoft Outlook Express), is a personal information manager that lets you manage your e-mail, calendar, contacts, and tasks.
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  8. TickTick is a simple and effective to-do list and task manager app which helps you make schedule, manage time, remind about deadlines and organize life at home, work and everywhere else.
  9. Toggl Track data brings clarity around profitability and helps you get more done. Toggl Track works where you do Online, offline, or on-the-go... we have an app for that! The best part? Your data instantly syncs across all apps and devices.
  10. Evolution is a personal information management application that provides integrated mail, calendaring, address book and task list functionality.
  11. FairEmail is a privacy-focused email client with a setup wizard that helpfully walks you through the steps to use it with any email provider. There are many privacy settings including encryption via OpenPGP and S/MIME and reformatted emails to avoid phishing.
  12. E-mail app with all the great features: swipes (long/short), snooze, add (multiple) attachments from the cloud, support for various e-mail services and more.
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  13. Web- and IMAP-based email service. 2GB cost 1€/month. Information is hosted on encrypted hard drives. Electricity from renewable resources is used.
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  14. Hubzilla is a powerful platform for creating interconnected based websites featuring a decentralised identity, communications, and permissions framework built using common webserver technology. Hubzilla is very suitable for communities (of any size).
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