
Calendly
Acuity Scheduling
TidyCal
zcal
SavvyCal
SetMore
Doodle
Cal.com (formerly Calendso) is the open source Calendly alternative.

Calendly
Acuity Scheduling
SimplyBook.me
AiHelp-Desk.com
CallNeo
CallOra AI
Elevoi.ca
AI receptionist and CRM platform automating 24/7 client bookings and inquiries for service businesses via web dashboard and Telegram admin panel.

Which is more popular?
Based on our record, Cal.com seems to be more popular. It has been mentioned 60 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | cal.com | vikonce.org |
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What each product offers, as listed by its team.


Possible disadvantages
No features have been listed yet.
An editorial look at what each product does well and who it suits.


Overall verdict
Why this product is good
Recommended for
No analysis of Vikonce yet.
Walkthroughs and reviews on video.
What can you do with Cal? | Cal.com Version 1.1 Launch | 10 new languages
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How often each product is chosen within a category, 0–100% relative to the other.


As answered by people managing Cal.com and Vikonce.
Vikonce's answer:
Vikonce combines a 24/7 AI receptionist with a web CRM and a mobile-first Telegram admin interface. It automates customer bookings, handles routine inquiries, and simplifies operational management for service businesses without complex onboarding.
Vikonce's answer:
Unlike rigid scheduling platforms, Vikonce offers natural conversational booking powered by AI, paired with real-time management via messaging apps and a robust web dashboard, reducing missed inquiries and administrative effort.
Vikonce's answer:
Small and medium service-based businesses, independent specialists, salons, clinics, and local appointment-driven companies seeking automated client communications and scheduling.
Vikonce's answer:
Vikonce was created to solve the challenge of missed leads and manual booking overhead for service professionals. We built an intelligent digital administrator that works around the clock to capture inquiries and streamline client scheduling across web and mobile workflows.
Vikonce's answer:
Artificial Intelligence, Machine Learning, Natural Language Processing, Web CRM Architecture, Cloud Infrastructure, REST API integrations.
Vikonce's answer:
Share your experience with using Cal.com and Vikonce. For example, how are they different and which one is better?
External articles and on-site reviews we used to compare the two products.


The honest read: if you're leaving Acuity because your business outgrew simple scheduling — you need deposits, add-ons, multiple staff and locations, and ideally a booking site you own — Opencals is built for exactly...
I tried using https://cal.com for a bit but ended up just switching over to https://zcal.co and it has been great so far. All these other scheduling tools end up trying to do too much and always seem to end up a bit...
We have no reviews of Vikonce yet. Be the first one to post
Recommendations tracked on public social media and blogs since March 2021.


Then for the component library, I was really into coss ui. I stumbled upon it randomly one day and loved it so much. My Nathan's AI project already had a UI heavily inspired by cal.com: send button, message suggestions... So when I saw... - Source: dev.to / 7 months ago
I keep coming back to what would have happened if I didn't have a strong technical understanding of how calendar technology works — the difference between local and cloud calendars, what an ICS feed is, why enterprise auth blocks... - Source: dev.to / 7 months ago
Plausible brought open source to web analytics. Cal.com did it for scheduling. Formbricks did it for surveys. PostHog did it for product analytics. Quackback does it for feedback collection. - Source: dev.to / 8 months ago
Tracking Vikonce since Sep 2026.
When comparing Cal.com and Vikonce, you can also consider the following products.

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.
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Automate your client bookings, cancellations, reminders & payments using the worlds friendliest online scheduling software.
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Optimize your schedule with custom booking pages and calendar integrations
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Online scheduling software that offers you a beautiful customisable booking website (or widget to your own website) to accept bookings and payments with the possibility of selling products as well.
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zcal is the fastest way to schedule every meeting for Free and make it personal.
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Missing customer calls after hours? AI Help Desk offers the best AI receptionist and a 24/7 virtual answering service with smart scheduling and CRM sync. Contact us now!
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