Cal.com
Scheduling infrastructure for absolutely everyone
Liveblocks
Ready-made AI copilots and collaboration for your product
Updated February 2026
| Cal.com | Liveblocks | |
|---|---|---|
| Rating | 4.8★ | 5.0★ |
| Reviews | 79 | 23 |
| Pros | 20 | 8 |
| FactScore™ | 91.3 | 69 |
FactScore™ Comparison
FactScore™ weighs both quality (rating) and popularity (reviews) for a fairer ranking than stars alone.
Pros & Cons
Only in Cal.com — Pros
Easy to use Open source Beautiful interface Seamless integration Advanced customization Customer support Generous free plan Self-hosting Fast product development Integration with Google Calendar Active community Customizable reminders Integration with Outlook Open API Video calling solution White-labeling Branding removed in free plan Dark mode Integration with Microsoft 365 Integration with StripeBoth tools — Pros
—Only in Liveblocks — Pros
Real-time collaboration Developer experience Developer support Fast implementation Multiplayer editing AI copilots Collaboration tools Dynamic user experiencesOnly in Cal.com — Cons
Customer support Integration with Google Calendar Lack of MS Exchange 2019 support Slow video connection Unclear open source featuresBoth tools — Cons
—Only in Liveblocks — Cons
—Details
| Cal.com | Liveblocks | |
|---|---|---|
| Categories | Team collaboration software, Scheduling software | Team collaboration software, Engineering & Development, Real-time collaboration infra |
| Platforms | Web · iOS · Android | Web |
| Became Popular | April 15, 2021 | July 29, 2021 |
| Website | cal.com | liveblocks.io |
Who Should Pick Which?
Choose Cal.com if...
- Easy to use
- Open source
- Beautiful interface
Choose Liveblocks if...
- Real-time collaboration
- Developer experience
- Developer support
With a FactScore™ of 91.3 vs 69, Cal.com leads in community reception. Cal.com uniquely offers Easy to use and Open source, while Liveblocks stands out for Real-time collaboration and Developer experience.
What Users Say
Cal.com
I really like the UX and ease of the product but have faced a challenge with cal video experience: Pro: - The scheduling page looks quite decent and the best part is in the free plan, branding is r...
Cal.com is proving invaluable in streamlining my workflow, especially in the areas of hiring, scheduling sales calls, and managing my daily juggling of tasks. By integrating all my calendars, it en...
Scheduling user interviews became 10x faster (and cheaper) after switching to Cal. Many links, all customizable, I still don't know how it's free. I used to use Calendly before, and even tried Goog...
Liveblocks
Absolutely massive deal for anyone building live features into their products. Combine that with a great developer experience out of the box and even a beginner can build the next Figma over the we...
Collaboration is at the heart of deckd, and Liveblocks powers our real-time editing experience. Whether teams are fine-tuning presentations together or updating slides on the fly, Liveblocks ensure...
Looks like a nice product, and solid team. The ability to build concurrent collaboration at scale without having to manage the technical overhead is very helpful for startups.
Frequently Asked Questions
Which is better, Cal.com or Liveblocks?
Based on FactScore™, Cal.com leads with a score of 91.3 vs 69. Cal.com has a higher rating of 4.8★ compared to 5.0★.
What are the pros of Cal.com compared to Liveblocks?
Cal.com uniquely offers: Easy to use, Open source, Beautiful interface, Seamless integration, Advanced customization.
What are the pros of Liveblocks compared to Cal.com?
Liveblocks uniquely offers: Real-time collaboration, Developer experience, Developer support, Fast implementation, Multiplayer editing.
Is Cal.com better rated than Liveblocks?
Cal.com is rated 4.8★ from 79 reviews. Liveblocks is rated 5.0★ from 23 reviews.
What is the FactScore™ of Cal.com and Liveblocks?
FactScore™ weighs rating and review volume together. Cal.com scores 91.3 and Liveblocks scores 69.
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