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

GitHub Copilot
Cursor
Tabnine
ChatGPT
Safurai
MarsX
TabbyML
Free AI-powered code completion for *everyone*, *everywhere*

Which is more popular?
Cal.com might be a bit more popular than Codeium. We know about 60 links to it since March 2021 and only 46 links to Codeium.
Website, pricing, platforms and company facts side by side.
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| Website | cal.com | codeium.com |
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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
Codeium is particularly recommended for software developers, coding enthusiasts, and teams looking to boost productivity and reduce the time spent on coding and debugging. It is suitable for beginners who need guidance, as well as experienced developers looking for efficiency enhancements.
Walkthroughs and reviews on video.
What can you do with Cal? | Cal.com Version 1.1 Launch | 10 new languages
More videos
Codeium: Free Copilot Alternative
How often each product is chosen within a category, 0–100% relative to the other.


Share your experience with using Cal.com and Codeium. 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...
Codeium (Windsurf) is a fast, privacy-focused AI coding assistant that supports autocomplete, refactoring, and in-editor chat across multiple programming languages. Often, it’s used by full-stack developers who need...
Yes, some free alternatives to GitHub Copilot like Codeium offer features that can be suitable for enterprise use. However, for advanced needs, you might consider paid options like TabNine Enterprise or DeepCode (Snyk...
Another notable feature of Codeium is context pinning. It allows developers to pin any scope of code, such as a repository, a file, or a function, so Codeium takes the code in that section more seriously when...
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
Codeium provides free AI code completion and chat for individual developers. It integrates with VS Code, JetBrains, Vim, Emacs, and a growing list of other editors. The completions are competitive with Copilot in quality for most... - Source: dev.to / 7 months ago
Visit the official website at https://codeium.com Download the extension for your preferred code editor. Follow installation instructions to enable AI completions. Begin coding with AI-assisted suggestions immediately. - Source: dev.to / over 1 year ago
Codeium: Supports multiple editors and privacy-conscious teams. - Source: dev.to / over 1 year ago
When comparing Cal.com and Codeium, 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.
Compare Calendly to Cal.com or Codeium:

Your AI pair programmer. With GitHub Copilot, get suggestions for whole lines or entire functions right inside your editor.
Compare GitHub Copilot to Cal.com or Codeium:

Automate your client bookings, cancellations, reminders & payments using the worlds friendliest online scheduling software.
Compare Acuity Scheduling to Cal.com or Codeium:

The AI-first Code Editor. Build software faster in an editor designed for pair-programming with AI.
Compare Cursor to Cal.com or Codeium:

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

TabNine is the all-language autocompleter. We use deep learning to help you write code faster.
Compare Tabnine to Cal.com or Codeium: