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

Online Interview Questions
AI Interview Questions Generator
Software Interview Questions Generator
Analyze any job posting and get tailored interview questions, sample answers, and AI-powered insights to prepare with confidence and land your next job.

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 | roledecoder.com |
| Pricing | ||
| Company | — | Startup from Germany · 1 - 9 employees · 2026 |
| Listed in |
In their own words, as submitted to SaaSHub.


No description of Cal.com yet.
RoleDecoder helps job seekers prepare for interviews by analyzing real job postings from platforms like LinkedIn and other job boards. Simply paste a job link, and our AI will identify key requirements, skills, and responsibilities to generate tailored interview questions, suggested answers, and...
What each product offers, as listed by its team.


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.


As answered by people managing Cal.com and RoleDecoder.
RoleDecoder's answer:
Job seekers, career changers, recent graduates, and professionals preparing for interviews who want personalized guidance based on real job opportunities.
RoleDecoder's answer:
RoleDecoder is built using modern web technologies, AI-powered language models, PHP, JavaScript, and cloud-based infrastructure to deliver fast and personalized interview insights.
RoleDecoder's answer:
RoleDecoder analyzes real job postings and generates interview preparation tailored to the specific role, instead of relying on generic interview question lists.
RoleDecoder's answer:
RoleDecoder focuses on the actual job you're applying for, helping you prepare with role-specific questions, suggested answers, and insights based on the job description.
RoleDecoder's answer:
RoleDecoder was created to solve a common problem: most interview preparation resources are generic, while every job is different. The goal is to help candidates understand what employers are really looking for and prepare more effectively.
Share your experience with using Cal.com and RoleDecoder. 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 RoleDecoder 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 / 8 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 / 9 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 / 9 months ago
Tracking RoleDecoder since Jun 2026.
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