Best Nextcloud Calendar Alternatives in 2026
Updated
20 apps from calendar apps ranked against Nextcloud Calendar on the same published basis.
- 1Nextcloud Calendar vs Mozilla Thunderbird
- 2Nextcloud Calendar vs Microsoft Outlook Calendar
- 3Nextcloud Calendar vs Lark
- 4Nextcloud Calendar vs EGroupware
- 5Nextcloud Calendar vs Proton Calendar
- 6Nextcloud Calendar vs Teamup
- 7Nextcloud Calendar vs Cozi
- 8Nextcloud Calendar vs Calendar.com
- 9Nextcloud Calendar vs Notion Calendar
- 10Nextcloud Calendar vs Doodle
- 11Nextcloud Calendar vs Tuta Calendar
- 12Nextcloud Calendar vs TimeTree
- 13Nextcloud Calendar vs Reclaim AI
- 14Nextcloud Calendar vs FlowSavvy
- 15Nextcloud Calendar vs TimeFinder
- 16Nextcloud Calendar vs Samsung Calendar
- 17Nextcloud Calendar vs Fantastical
- 18Nextcloud Calendar vs Calendars by Readdle
- 19Nextcloud Calendar vs Vyte
- 20Nextcloud Calendar vs DayOtter
Nextcloud Calendar alternatives compared
| # | App | Score | Free plan | From | Runs on |
|---|---|---|---|---|---|
| 1 | Mozilla Thunderbird | 9.0 | Free plan | Free | Android, Linux, Mac, Windows |
| 2 | Microsoft Outlook Calendar | 8.2 | Free plan | $1.67/mo | Android, iOS, Mac, Web |
| 3 | Lark | 8.2 | Free plan | — | Android, API, iOS, Linux, Mac, Web, Windows |
| 4 | EGroupware | 8.2 | No | €21.90/mo | Web, Linux, Windows, Mac |
| 5 | Proton Calendar | 8.0 | Free plan | Free | Android, iOS |
| 6 | Teamup | 8.0 | Free plan | $12/mo | Android, API, iOS, Web |
| 7 | Cozi | 8.0 | Free plan | $3.25/mo | Android, iOS, Web |
| 8 | Calendar.com | 8.0 | Free plan | $20/mo | Android, API, Browser, iOS, Web |
| 9 | Notion Calendar | 7.9 | Free plan | Free | Android, iOS |
| 10 | Doodle | 7.8 | Free plan | $11/mo | Web |
| 11 | Tuta Calendar | 7.8 | Free plan | €3/mo | Android, iOS |
| 12 | TimeTree | 7.8 | Free plan | $4.49/mo | Android, iOS |
| 13 | Reclaim AI | 7.8 | Free plan | $10/mo | Browser, Web |
| 14 | FlowSavvy | 7.8 | Free plan | — | Android, iOS, Web |
| 15 | TimeFinder | 7.8 | Free plan | Free | Web, Windows, Mac, iOS, Android |
| 16 | Samsung Calendar | 7.7 | Free plan | Free | Android |
| 17 | Fantastical | 7.7 | Free plan | Free | iOS |
| 18 | Calendars by Readdle | 7.6 | Free plan | $1.67/mo | iOS |
| 19 | Vyte | 7.6 | Free plan | $8/mo | Web, iOS |
| 20 | DayOtter | 7.6 | Free plan | $9/mo | Web, Android |
Make your app an alternative to Nextcloud Calendar
See the priceThe sponsored alternative slot on this page is labelled Sponsored.
Questions about Nextcloud Calendar alternatives
What is the best alternative to Nextcloud Calendar?
Mozilla Thunderbird, number 1 in calendar apps with a score of 9.0 out of 10. The others here: Microsoft Outlook Calendar, Lark, EGroupware and 16 more.
What is the best free alternative to Nextcloud Calendar?
Mozilla Thunderbird is the best-ranked alternative with a free plan. 19 of the 20 alternatives here publish a free plan on their own pricing pages.
Is there an open-source alternative to Nextcloud Calendar?
Yes: Mozilla Thunderbird, EGroupware.
How are these alternatives ranked?
Ranked free-and-open first: a usable free tier and open-source code, then the platforms it runs on and its documentation.