Dev tools · alternatives · 2026

24 alternatives to Cal ID

Schedule and monetize meetings for free

Cal ID is an open-source scheduling tool designed for solo professionals and teams to organize and monetize meetings at no cost. It offers unlimited meetings, extensive integrations with other tools, and human customer… Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes.

1. 1
   Cal.com Platform▲1,601

   Build your pixel-perfect booking experience with Atoms

   2024 · cal.com · its alternatives →

2. 2
   Cal.ai Email Assistant▲918

   World's first open source AI scheduling assistant

   2023 · cal.com · its alternatives →

3. 3
   Cal.com Companion Apps▲635

   Native iOS & Android App + Browser Extensions for scheduling

   Jan 2026 · cal.com · its alternatives →

4. 4
   Cal.com Routing▲586

   Auto schedule appointments with leads using clever logic

   2025 · cal.com · its alternatives →

5. 5
   SavvyCal▲1,132

   Sending your scheduling link shouldn't feel weird.

   2021 · savvycal.com · its alternatives →

6. 6
   Cal.ai Phone Agent▲505

   Supercharged Cal.com scheduling with AI-powered calls

   2025 · coss.com · its alternatives →

7. 7
   zcal▲481

   The free Calendly alternative that makes scheduling personal

   2021 · zcal.co · its alternatives →

8. 8
   lemcal▲673

   The 1 tool you need to book more meetings

   2023 · lemcal.com · its alternatives →

9. 9
   Recal.dev▲365

   Resend, but for Calendar & Scheduling. API. SDK. MCP.

   2025 · recal.dev · its alternatives →

10. 10
    Calendly▲271

    Simple, beautiful scheduling

    2014 · calendly.com · its alternatives →

11. 11
    42min▲26

    Free online scheduling with forms, meeting polls & open API

    Jun 2026 · 42min.us · its alternatives →

12. 12
    OneCal▲323

    Synchronize your calendars in real-time

    2022 · onecal.io · its alternatives →

13. 13
    Kukkee▲94

    Self-hosted professional group meeting scheduling tool

    2022 · kukkee.com · its alternatives →

14. 14
    Someday, Open-Source Calendly Alternative for Gmail / Google App Script▲313

    Free and open-source. Simple alternative to cal.com / calendly, built on Google-App-Script for Gmail users. Built with modern technologies like React, TypeScript, Shadcn/UI, and Vite.

    2024 · github.com · its alternatives →

15. 15
    SavvyCal for iCloud▲293

    Scheduling links for iCloud, plus Google, Outlook, Fastmail

    2021 · savvycal.com · its alternatives →

16. 16
    Fillout Scheduling▲112

    Free appointment scheduling for your whole team

    2024 · fillout.com · its alternatives →

17. 17
    Meetify▲243

    Find a time and place to meet. Calendly meets Google Maps.

    2025 · meetify.com · its alternatives →

18. 18
    Novocall TimeSync▲138

    Scheduling app with pre-qualification and call automation

    2020 · its alternatives →

19. 19
    Calcapp▲167

    Build apps instead of spreadsheets

    2018 · creator.calcapp.net · its alternatives →

20. 20
    Meeting Cost Calculator▲143

    Uncover the true costs of meetings

    2023 · its alternatives →

21. 21
    Harmonizely▲92

    Schedule meetings without exchanging unnecessary emails!

    2018 · its alternatives →

22. 22
    Meeting Cost Calculator, by Ramp▲151

    See how much each meeting costs, directly in Google Cal

    2023 · ramp.com · its alternatives →

23. 23
    EasyCalendar▲108

    Appointment scheduler + minimalist CRM + integrations

    2020 · easycalendar.com · its alternatives →

24. 24
    CalBot▲115

    Carly lets you create custom AI agents with 120+ integrations. Give each agent an inbox, instructions, and tool access for email, CRM, scheduling, research, and operations.

    2025 · calbotservice.com · 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 →