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

Tweek.so
Schedule Maker Pro
ScheduleBuilder.dev
Class Timetable
Schedule-Builder.net
Weekly Timetable App
Plan class timetables, work weeks, or daily routines - fast and easy. Drag, drop, customize, export, and share.

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 | schedulebuilder.net |
| Pricing | ||
| Platforms | — | |
| Company | — | 2013 |
| Listed in |
In their own words, as submitted to SaaSHub.


No description of Cal.com yet.
ScheduleBuilder is a free, browser-based scheduling tool that helps people create organized weekly schedules in minutes. Use it to plan class timetables, work shifts, study schedules, daily routines, activities, or holiday plans. Create a schedule by adding activities to a clear weekly layout,...
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
No analysis of ScheduleBuilder yet.
Walkthroughs and reviews on video.
What can you do with Cal? | Cal.com Version 1.1 Launch | 10 new languages
More videos
No ScheduleBuilder videos yet. You could help us improve this page by suggesting one.
How often each product is chosen within a category, 0–100% relative to the other.


As answered by people managing Cal.com and ScheduleBuilder.
ScheduleBuilder's answer:
ScheduleBuilder combines a visual, flexible schedule editor with practical ways to use the finished schedule. Create a weekly or daily plan in an interactive time grid, drag and resize activities as plans change, then share it with a link, embed it on a website, export it as a PNG or PDF, or print it.
It is built for clear, customizable schedules rather than the complexity of a full business calendar suite. Users can tailor visible days, hours, time format, layout, colors, themes, fonts, and backgrounds to make a schedule fit their needs.
ScheduleBuilder's answer:
Choose ScheduleBuilder when you want to create a clear visual schedule quickly, without installing software or setting up a complex calendar system. It is especially useful for weekly routines, class timetables, study plans, work schedules, and activities that need to be easy to view, print, share, or embed.
Unlike a standard calendar, ScheduleBuilder is focused on producing a polished schedule layout. Unlike many template-based tools, it provides interactive editing: add activities to the grid, drag them to a new time or day, resize them, and customize the finished design.
ScheduleBuilder's answer:
ScheduleBuilder is for students, teachers, workers, families, and individuals who need a simple way to organize a week. Typical uses include class timetables, study plans, work shifts, personal routines, activity schedules, and weekly overviews.
It is also useful for people who need to publish, print, or embed a schedule for others to view, such as educators, clubs, community groups, and small organizations.
ScheduleBuilder's answer:
ScheduleBuilder was created to make schedule planning more visual, flexible, and easy to share. Many planning tools are designed primarily as calendars or complex workforce systems, while people often just need a clear weekly layout for classes, work, routines, or activities.
ScheduleBuilder focuses on that simple goal: help users build an organized schedule in the browser, customize it to their needs, and turn it into something they can share, embed, export, or print.
ScheduleBuilder's answer:
ScheduleBuilder is a modern web application built with:
The product runs in the browser and does not require users to install desktop software.
ScheduleBuilder's answer:
ScheduleBuilder is built primarily for individual users and small groups, including:
Share your experience with using Cal.com and ScheduleBuilder. 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 ScheduleBuilder 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 ScheduleBuilder since Jul 2026.
When comparing Cal.com and ScheduleBuilder, you can also consider the following products.

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A concise and simple weekly to do list calendar app to organize your tasks online. A lightweight weekly planner to maintain your focus and boost productivity week over week.
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Automate your client bookings, cancellations, reminders & payments using the worlds friendliest online scheduling software.
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Create personalized schedules for school, fitness, work, and daily tasks. Plan and print your perfect routine with our free schedule maker at schedulemaker.online.
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Optimize your schedule with custom booking pages and calendar integrations
Compare TidyCal to Cal.com or ScheduleBuilder:

Build a clear weekly schedule online, then print, share, or export it. Free and no signup required.
Compare ScheduleBuilder.dev to Cal.com or ScheduleBuilder: