Software Alternatives, Accelerators & Startups

Cal.com

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

Some of the top features or benefits of Cal.com are: Customizable, Open-source, Integrations, User-friendly Interface, and Privacy-focused. You can visit the info page to learn more.

Best Cal.com Alternatives & Competitors in 2025

The best Cal.com alternatives based on verified products, community votes, reviews and other factors.
Filter: 12 Open-Source Alternatives. Latest update:

  1. 148

    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. 138

    Optimize your schedule with custom booking pages and calendar integrations

    freemium $29.0 / One-off ($29 one-time paymnet)

    /tidycal-alternatives
  3. Seamless project management and collaboration for your team.

    Visit website $12.0 / Monthly (Per user)

    Visit website
  4. 110

    A scheduling tool both the sender and the recipient will love.

    freemium $12.0 / Monthly (The Basic Plan)

    /savvycal-alternatives
  5. 90

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

    free

    /zcal-alternatives
  6. 36

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

    freemium $15.0 / Monthly (1 Calendar)

    /acuity-scheduling-alternatives
  7. 49

    Cron Calendar.

    /cron-alternatives
  8. Breely is the most flexible online booking system, allowing you to build the exact appointment and class scheduling, forms, and workflows for your business.

    freemium $7.0 / Monthly

    /breely-alternatives
  9. Setmore offers a free, online scheduling platform for you to connect with your customers. Manage all your appointments through one simple, sleek calendar system and give your business the freedom to grow.

    freemium

    /setmore-alternatives
  10. Lapsula Bookings is an easy to use online bookings app software designed for the healthcare, wellness, and beauty industries. Manage your appointments, send reminders, and grow your business with Lapsula.

    freemium €14.99 / Monthly (Unlimited users, unlimited calendars, SMS and WhatsApp reminders)

    /lapsula-alternatives
  11. Reservio is a simple online booking and appointment scheduling application.

    /reservio-alternatives
  12. 27

    Give your clients a better booking experience Stand out from your competitors with a completely customized scheduling experience that simply works. Create your free booking page! No credit card required. Free forever. Upgrade anytime.

    Open Source freemium $7.2 / Monthly

    /youcanbookme-alternatives
  13. 17

    Spend less time managing your day & more time enjoying it

    /google-calendar-alternatives
  14. 28

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

    freemium $6.95 / Monthly (1 User)

    /doodle-alternatives
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