Dev tools · alternatives · 2026

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Calendar API for Developers launched in 2019; newer entries below may have overtaken it.

1. 1
   Simpliday▲137

   An all-In-One Calendar

   2016 · apps.apple.com · its alternatives →

2. 2
   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 · its alternatives →

3. 3
   TIME Planner▲74

   Todo list meets calendar

   2013 · timeplannerapp.com · its alternatives →

4. 4
   Yearly▲160

   Simple and colorful calendar app.

   2016 · apps.apple.com · its alternatives →

5. 5
   Calendar▲257

   Smart calendar that makes teams more productive

   2020 · its alternatives →

6. 6
   Calendly▲116

   Simple, beautiful scheduling

   2015 · calendly.com · its alternatives →

7. 7
   CalenMob▲65

   Calendar app with week-long view

   2014 · apps.apple.com · its alternatives →

8. 8CW
   Calendar with integrated timeline for fast navigation▲8

   2018 · chronoflocalendar.com · its alternatives →

9. 9
   The Non-App Calendar▲127

   A printable calendar for goal oriented planning

   2015 · its alternatives →

10. 10
    Timeless▲80

    A unique clock and calendar visualization

    2015 · timeless.simplebots.co · its alternatives →

11. 11
    CalendarPlusAI▲203

    Shared calendar no login Collaborate with friends and teams!

    2024 · bcalendar.com · its alternatives →

12. 12
    Bold Calendar▲105

    An inspirational task manager and calendar

    2017 · its alternatives →

13. 13
    Calendar.AI▲171

    Discover everything about the people and companies you meet

    2020 · sync.ai · its alternatives →

14. 14
    Peek▲99

    Another calendar app, different UI.

    2014 · peekcalendar.com · its alternatives →

15. 15CC
    Code Calendar – open-source app to keep track of coding contests▲8

    2022 · play.google.com · its alternatives →

16. 16
    Sunrise▲65

    Beautifully designed calendar app

    2014 · sunrise.am · its alternatives →

17. 17
    TimeTree▲71

    Calendar for private planning and sharing schedules

    2015 · timetreeapp.com · its alternatives →

18. 18
    Takweem AI▲63

    The AI calendar that makes room for your most important work

    19d ago · takweemai.com · its alternatives →

19. 19
    Canary▲57

    Sleek calendar app that makes scheduling a breeze

    2013 · apps.apple.com · its alternatives →

20. 20
    Calendaz▲62

    Frictionless Calendar Software

    2014 · calendaz.com · its alternatives →

21. 21
    Sonar Calendly Integration▲82

    Simple meeting scheduling & reminders over mobile messaging

    2018 · its alternatives →

22. 22BA
    Building an E-Ink Calendar and a UI Toolkit along the way▲64

    2020 · rahulrav.com · its alternatives →

23. 23
    Calnio▲66

    Two-way sync between Notion and Apple Calendar

    23d ago · calnio.myroslavrepin.com · its alternatives →

24. 24AA
    An API schedule reminders▲5

    2017 · reminders.company · its alternatives →

Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →