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

Smart HTTPS
SSL Enforcer
HTTPZ
The Tor Browser
HTTPS Only
HTTPS Always
Tor Browser
Chrome extension that encrypts and secures your browser

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 | eff.org |
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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
No analysis of HTTPS Everywhere yet.
Walkthroughs and reviews on video.
What can you do with Cal? | Cal.com Version 1.1 Launch | 10 new languages
More videos
How to use HTTPS Everywhere
How often each product is chosen within a category, 0–100% relative to the other.


Share your experience with using Cal.com and HTTPS Everywhere. 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...
If you are a blogger, perhaps you might be visiting hundreds of websites in a month for various reasons. HTTPS Everywhere Chrome extension makes sure every website you visit is HTTPS encrypted, not HTTP insecure. If...
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 / 6 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 HTTPS Everywhere since Mar 2021.
When comparing Cal.com and HTTPS Everywhere, 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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Automatically changes HTTP addresses to the secure HTTPS, and if loading encounters error, reverts...
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Automate your client bookings, cancellations, reminders & payments using the worlds friendliest online scheduling software.
Compare Acuity Scheduling to Cal.com or HTTPS Everywhere:

SSL Enforcer - Force SSL/TLS encryption for any browser or app. Block all unsecure connections.
Compare SSL Enforcer to Cal.com or HTTPS Everywhere:

Optimize your schedule with custom booking pages and calendar integrations
Compare TidyCal to Cal.com or HTTPS Everywhere:

HTTPZ is meant to be unobtrusive and lightweight.
Compare HTTPZ to Cal.com or HTTPS Everywhere: