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

GitHub
GitLab
BitBucket
openDesktop.org
Gitea
Launchpad.net
OSOR
The Complete Open-Source and Business Software Platform.

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 | sourceforge.net |
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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
More videos
Presearch Privacy Review #27 - Sourceforge
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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 SourceForge. 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...
SourceForge is a great place for people who like open-source software. It offers a strong platform where you can find, review, and handle software, all while helping the open-source community.
SourceForge’s user interface works fine, but it could do with a modern overhaul to make it easier on the eye and give it a more intuitive feel. While it has a large community, SourceForge’s support is not as extensive...
Sourceforge has been around longer than most, and it has the projects to prove it. Lots of open source Linux, Windows and Mac projects are hosted on SF. It has a totally different project structure when compared with...
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 SourceForge since Mar 2021.
When comparing Cal.com and SourceForge, 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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Originally founded as a project to simplify sharing code, GitHub has grown into an application used by over a million people to store over two million code repositories, making GitHub the largest code host in the world.
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Automate your client bookings, cancellations, reminders & payments using the worlds friendliest online scheduling software.
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Create, review and deploy code together with GitLab open source git repo management software | GitLab
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Optimize your schedule with custom booking pages and calendar integrations
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Bitbucket is a free code hosting site for Mercurial and Git. Manage your development with a hosted wiki, issue tracker and source code.
Compare BitBucket to Cal.com or SourceForge: