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

OneNeck IT Solutions
Uptima
Skaled
Sirius
Essintial
IBM Garage
Dunn Solutions Group
Collaborative Local Microservices Development

Which is more popular?
Based on our record, Cal.com should be more popular than Codezero. 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 | codezero.io |
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| Platforms | — | |
| Company | — | Startup from Canada · 2024 |
| Listed in |
In their own words, as submitted to SaaSHub.


No description of Cal.com yet.
Boost development team productivity by leveraging existing Kubernetes infrastructure to create local environments that closely mirror production. Eliminate configuration errors, onboarding times, and guesswork debugging with logs to catch bugs earlier in the development cycle.
What each product offers, as listed by its team.


Possible disadvantages
Possible disadvantages
An editorial look at what each product does well and who it suits.


Overall verdict
Why this product is good
Recommended for
Overall verdict
Why this product is good
Recommended for
Codezero is recommended for software developers, DevOps professionals, and teams working with Kubernetes who are seeking to optimize their deployment processes. It is particularly beneficial for those who want to minimize the complexities of multi-cloud management and increase development agility.
Walkthroughs and reviews on video.
What can you do with Cal? | Cal.com Version 1.1 Launch | 10 new languages
More videos
Introducing: Codezero Consume
More videos
How often each product is chosen within a category, 0–100% relative to the other.


Share your experience with using Cal.com and Codezero. 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 Codezero 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 / 8 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
DISCLAIMER - I have no commercial affiliation with codezero.io - I just know some of the guys and I'm kind of a fan. Source: over 3 years ago
Hi there. Have you tried https://codezero.io? That's exactly what we help accomplish. Source: over 3 years ago
Yes, Koblime costs money to operate (~$200/mo) and I appreciate every one of my supporters but realistically, Koblime is supported by my day job at https://codezero.io. My interests are in embedded software and cloud computing and... Source: almost 4 years ago
When comparing Cal.com and Codezero, 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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OneNeck provides a comprehensive suite of enterprise-class IT solutions that are customized to fit your specific needs.
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Automate your client bookings, cancellations, reminders & payments using the worlds friendliest online scheduling software.
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QUOTE TO CASH Uptima is the leader in Quote to Cash transformations, which impact the pre-sales customer experience.
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Optimize your schedule with custom booking pages and calendar integrations
Compare TidyCal to Cal.com or Codezero:
