Best Desktop Calendar Alternatives in 2026
Updated
20 apps from calendar apps ranked against Desktop Calendar on the same published basis.
- 1Desktop Calendar vs Mozilla Thunderbird
- 2Desktop Calendar vs Microsoft Outlook Calendar
- 3Desktop Calendar vs Lark
- 4Desktop Calendar vs EGroupware
- 5Desktop Calendar vs Proton Calendar
- 6Desktop Calendar vs Teamup
- 7Desktop Calendar vs Cozi
- 8Desktop Calendar vs Calendar.com
- 9Desktop Calendar vs TimeFinder
- 10Desktop Calendar vs Notion Calendar
- 11Desktop Calendar vs TimeTree
- 12Desktop Calendar vs Fantastical
- 13Desktop Calendar vs Doodle
- 14Desktop Calendar vs Tuta Calendar
- 15Desktop Calendar vs Reclaim AI
- 16Desktop Calendar vs FlowSavvy
- 17Desktop Calendar vs Musubi
- 18Desktop Calendar vs Samsung Calendar
- 19Desktop Calendar vs Trevor AI
- 20Desktop Calendar vs Calendars by Readdle
Desktop 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 | €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 | TimeFinder | 8.0 | Free plan | Free | Android, iOS, Mac, Web, Windows |
| 10 | Notion Calendar | 7.9 | Free plan | Free | Android, iOS |
| 11 | TimeTree | 7.9 | Free plan | $3.75/mo | Android, iOS, Web |
| 12 | Fantastical | 7.9 | Free plan | Free | iOS, Mac, Windows |
| 13 | Doodle | 7.8 | Free plan | $11/mo | Web |
| 14 | Tuta Calendar | 7.8 | Free plan | €3/mo | Android, iOS |
| 15 | Reclaim AI | 7.8 | Free plan | $10/mo | Browser, Web |
| 16 | FlowSavvy | 7.8 | Free plan | Android, iOS, Web | |
| 17 | Musubi | 7.8 | Free plan | Free | Android, iOS, self-hosted, Web |
| 18 | Samsung Calendar | 7.7 | Free plan | Free | Android |
| 19 | Trevor AI | 7.7 | Free plan | $0.42/mo | Web |
| 20 | Calendars by Readdle | 7.7 | Free plan | $1.67/mo | iOS, Mac |
Make your app an alternative to Desktop Calendar
See the priceThe sponsored alternative slot on this page is labelled Sponsored.
Questions about Desktop Calendar alternatives
What is the best alternative to Desktop 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 Desktop 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 Desktop 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.