Alternatives

Products that do what OpenCalendars does

The Calendar app!

1. 1
   Google Calendar▲410

   Spend less time managing your day, now on iOS

   2015

2. 2IB
   I built an open source web calendar inspired by the Google calendar▲232

   I love the looks and UX of the Google calendar. But I wanted to have a version I could use more freely in my own projects, still looking similar to the one from Google.

   2024 · schedule-x.dev

3. 3
   Button for Google Calendar™▲530

   See your daily schedule and join meetings in one-click.

   2021

4. 4
   SavvyCal for iCloud▲293

   Scheduling links for iCloud, plus Google, Outlook, Fastmail

   2021

5. 5
   hora Calendar▲132

   Google calendar built for the Mac

   Jun 2026 · horacal.app

6. 6
   OI Calendar▲78

   Encrypted, decentralized alternative to Google calendar

   2019

7. 7
   MeetingBar 3.0▲238

   Meetings before your eyes

   2021

8. 8
   BusyCal 3.0▲151

   The most powerful calendar app for Mac and iOS

   2016

9. 9
   Simpliday▲137

   An all-In-One Calendar

   2016

10. 10
    Add to Calendar Link Generator▲151

    Create buttons for Google Calendar, Office 365 and Apple Cal

    2021

11. 11
    Cal.com Companion Apps▲640

    Native iOS & Android App + Browser Extensions for scheduling

    Jan 2026 · cal.com

12. 12
    Sunrise▲284

    Beautifully designed calendar app

    2013

13. 13
    InstaCal▲256

    The missing menu bar calendar for MacOS

    2017

14. 14
    CalendarPipe▲155

    Programmable calendar sync for humans and AI agents

    Apr 2026 · calendarpipe.com

15. 15
    Sidebar Calendar▲166

    Keeping you on schedule!

    2025

16. 16
    Yearly▲160

    Simple and colorful calendar app.

    2016

17. 17
    Azendoo Calendar▲143

    Todos meet calendar to manage your team deadlines

    2015

18. 18MA
    MeetingBar – A menu bar macOS app for calendar meetings▲131

    2020 · github.com

19. 19
    Koalendar▲131

    Free online appointment scheduling software

    2021

20. 20
    Future▲146

    Calendar events around the clock

    2015

21. 21
    Calendar Link Generator▲130

    Add to calendar links for Outlook, Apple & Google calendars

    2024

22. 22
    Kalënder 2022▲150

    Minimal and printable 2022 calendar.

    2022

23. 23K1
    Kalendar 1.0 Is Out▲29

    2022 · claudiocambra.com

24. 24
    Sunsama Calendar▲206

    The calendar for teams

    2016

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