Software Alternatives, Accelerators & Startups

Koalendar

Free Online Appointment Scheduling Software.

Some of the top features or benefits of Koalendar are: User-Friendly Interface, Seamless Integration, Customizable Options, Automated Reminders, and Affordable Pricing. You can visit the info page to learn more.

Best Koalendar Alternatives & Competitors in 2025

The best Koalendar alternatives based on verified products, community votes, reviews and other factors.
Filter: 10 Open-Source Alternatives. Latest update:

  1. 56

    Say goodbye to phone and email tag for finding the perfect meeting time with Calendly. It's 100% free, super easy to use and you'll love our customer service.

    /calendly-alternatives
  2. 52

    A scheduling and chatbot solution.

    /oncehub-alternatives
  3. High performance web components for SaaS apps - including Gantt, Scheduler, Grid, Calendar and Kanban widgets. Seamless integration with React, Vue, Angular or plain JS apps.

    Try for free Free Trial $850.0 / One-off (OEM license for commercial use)

    Try for free
  4. 41

    When2meet helps you find the best time for a group to get together. It is a free survey tool that is quick and easy to use.

    /when2meet-alternatives
  5. 35

    Automate your client bookings, cancellations, reminders & payments using the worlds friendliest online scheduling software.

    freemium $15.0 / Monthly (1 Calendar)

    /acuity-scheduling-alternatives
  6. 37

    Make meetings happen. With Doodle, scheduling becomes quick and easy.

    freemium $6.95 / Monthly (1 User)

    /doodle-alternatives
  7. 32

    Smart Calendar Assistant for Gmail | Boomerang Calendar

    /boomerang-calendar-alternatives
  8. 31

    Cal.com (formerly Calendso) is the open source Calendly alternative.

    Open Source

    /cal-com-alternatives
  9. 35

    WhenAvailable is an excellent event management tool that allows scheduling the dinner party, book club meeting, and guys’ night out with simple and best ideas.

    /whenavailable-alternatives
  10. 33

    x.ai is a tool to schedule meetings for you and your team.

    freemium $8.0 / Monthly (Individual Plan)

    /x-ai-alternatives
  11. 35

    zcal is the fastest way to schedule every meeting for Free and make it personal.

    free

    /zcal-alternatives
  12. 19

    Letsfind is a fast, easy-to-use, ad-free way to create online (meeting) polls.

    /letsfind-alternatives
  13. 19

    Smart free/busy calendar sharing and meeting organizer.

    /freebu-alternatives
  14. 26

    FullCalendar is an open-source JavaScript event calendar.

    Open Source

    /fullcalendar-alternatives
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