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

Domo
Diagram Generator
AIGraphMaker.net
Chart Maker Pro
Electe
Explain Code App
Notion2Charts
ChartGen.ai is the free AI chart generator. Create stunning bar charts, line charts, and more in seconds. Just upload your data and describe what you need.

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 | chartgen.ai |
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In their own words, as submitted to SaaSHub.


No description of Cal.com yet.
Stop wrestling with complex spreadsheet formulas. ChartGen.ai is your intelligent visual assistant that transforms raw numbers and text descriptions into publication-ready graphs, diagrams, and dashboards. Just upload your file or ask a question, and let our advanced AI handle the design. Why...
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
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.


Share your experience with using Cal.com and ChartGen. 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 ChartGen 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 / 7 months ago
Tracking ChartGen since Dec 2025.
When comparing Cal.com and ChartGen, 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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Domo: business intelligence, data visualization, dashboards and reporting all together. Simplify your big data and improve your business with Domo's agile and mobile-ready platform.
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Automate your client bookings, cancellations, reminders & payments using the worlds friendliest online scheduling software.
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Free AI Diagram Generator for professionals and students
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Optimize your schedule with custom booking pages and calendar integrations
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Create Mermaid Chart, Graph and Diagram in minutes with AI Graph Maker. Transforms your data into stunning visualizations effortlessly. Just tell our AI-powered generator your need and graph maker will do the rest.
Compare AIGraphMaker.net to Cal.com or ChartGen: