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Indie alternatives to Outlook Calendar
4 products made by independent developers and small teams that do what Outlook Calendar does, 2 of them with a free plan. Free and open-source options come first.
At a glance
| Product | Price | Open source | Self-host | Platforms |
|---|---|---|---|---|
| Fantastical | Free plan | – | – | Mac, iOS, Windows |
| Morgen | Free plan | – | – | Web, Mac, Windows, Linux, iOS, Android |
| BusyCal | Paid | – | – | Mac, iOS |
| Vimcal | Paid | – | – | Web, Mac, iOS |
The alternatives
1. Fantastical
Calendar and tasks app with natural language input
Fantastical by Flexibits is a calendar app for Apple devices and Windows that adds natural language event entry, multiple calendar accounts and scheduling tools.
Free plan · Mac, iOS, Windows · Website ↗
2. Morgen
Calendar app and daily planner that unifies all calendars
A calendar app that combines Google, Outlook and iCloud calendars with tasks from tools like Todoist and Notion and an AI planner for time-blocking. For people juggling several calendars.
Free plan · Web, Mac, Windows, Linux, iOS, Android · Website ↗
Questions
Is there a free alternative to Outlook Calendar?
Yes. 2 of the 4 indie alternatives listed here have a free plan or are free: Fantastical and Morgen.
Which Outlook Calendar alternatives work on Mac, Windows, iPhone or Android?
On Windows: Fantastical and Morgen. On Linux: Morgen. On Android: Morgen. On the web: Morgen and Vimcal.
What makes these alternatives to Outlook Calendar “indie”?
They are built by independent developers or small teams rather than large companies. Each one is listed because it does the same core job as Outlook Calendar.
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