Freedom251
For vendors
AdvertiseTop spots, featured rows, home sponsor Get listedAdd a product we don't cover yet Claim a listingFree: verify the domain, then correct your page Vendor dashboardNumbers, orders and placements
Vendor dashboard

Best WebCalendar Alternatives in 2026

Updated

20 apps from calendar apps ranked against WebCalendar on the same published basis.

  1. 1
    Mozilla Thunderbird Free plan Open sourceAndroidLinuxMacWin Free9.0
    WebCalendar vs Mozilla Thunderbird
  2. 2
    Microsoft Outlook Calendar Free plan AndroidiOSMacWeb $1.67/mo8.2
    WebCalendar vs Microsoft Outlook Calendar
  3. 3
    Lark Free plan AndroidapiiOSLinuxMac 8.2
    WebCalendar vs Lark
  4. 4
    EGroupware Free trial Open sourceWebLinuxWinMac €21.90/mo8.2
    WebCalendar vs EGroupware
  5. 5
    Proton Calendar Free plan AndroidiOS Free8.0
    WebCalendar vs Proton Calendar
  6. 6
    Teamup Free plan AndroidapiiOSWeb $12/mo8.0
    WebCalendar vs Teamup
  7. 7
    Cozi Free plan AndroidiOSWeb $3.25/mo8.0
    WebCalendar vs Cozi
  8. 8
    Calendar.com Free plan AndroidapiextensioniOSWeb $20/mo8.0
    WebCalendar vs Calendar.com
  9. 9
    TimeFinder Free plan AndroidiOSMacWebWin Free8.0
    WebCalendar vs TimeFinder
  10. 10
    Notion Calendar Free plan AndroidiOS Free7.9
    WebCalendar vs Notion Calendar
  11. 11
    TimeTree Free plan AndroidiOSWeb $3.75/mo7.9
    WebCalendar vs TimeTree
  12. 12
    Fantastical Free plan iOSMacWin Free7.9
    WebCalendar vs Fantastical
  13. 13
    Doodle Free plan Web $11/mo7.8
    WebCalendar vs Doodle
  14. 14
    Tuta Calendar Free plan AndroidiOS €3/mo7.8
    WebCalendar vs Tuta Calendar
  15. 15
    Reclaim AI Free plan extensionWeb $10/mo7.8
    WebCalendar vs Reclaim AI
  16. 16
    FlowSavvy Free plan AndroidiOSWeb 7.8
    WebCalendar vs FlowSavvy
  17. 17
    Musubi Free plan AndroidiOSself-hostedWeb Free7.8
    WebCalendar vs Musubi
  18. 18
    Samsung Calendar Free plan Android Free7.7
    WebCalendar vs Samsung Calendar
  19. 19
    Trevor AI Free plan Web $0.42/mo7.7
    WebCalendar vs Trevor AI
  20. 20
    Calendars by Readdle Free plan iOSMac $1.67/mo7.7
    WebCalendar vs Calendars by Readdle

WebCalendar alternatives compared

#AppScoreFree planFromRuns on
1Mozilla Thunderbird9.0Free planFreeAndroid, Linux, Mac, Windows
2Microsoft Outlook Calendar8.2Free plan$1.67/moAndroid, iOS, Mac, Web
3Lark8.2Free planAndroid, API, iOS, Linux, Mac, Web, Windows
4EGroupware8.2€21.90/moWeb, Linux, Windows, Mac
5Proton Calendar8.0Free planFreeAndroid, iOS
6Teamup8.0Free plan$12/moAndroid, API, iOS, Web
7Cozi8.0Free plan$3.25/moAndroid, iOS, Web
8Calendar.com8.0Free plan$20/moAndroid, API, Browser, iOS, Web
9TimeFinder8.0Free planFreeAndroid, iOS, Mac, Web, Windows
10Notion Calendar7.9Free planFreeAndroid, iOS
11TimeTree7.9Free plan$3.75/moAndroid, iOS, Web
12Fantastical7.9Free planFreeiOS, Mac, Windows
13Doodle7.8Free plan$11/moWeb
14Tuta Calendar7.8Free plan€3/moAndroid, iOS
15Reclaim AI7.8Free plan$10/moBrowser, Web
16FlowSavvy7.8Free planAndroid, iOS, Web
17Musubi7.8Free planFreeAndroid, iOS, self-hosted, Web
18Samsung Calendar7.7Free planFreeAndroid
19Trevor AI7.7Free plan$0.42/moWeb
20Calendars by Readdle7.7Free plan$1.67/moiOS, Mac
Make your app an alternative to WebCalendar

The sponsored alternative slot on this page is labelled Sponsored.

See the price

Questions about WebCalendar alternatives

What is the best alternative to WebCalendar?

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 WebCalendar?

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 WebCalendar?

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.