Productivity

Cal.com Open Source

Open-source Calendly alternative

Visit Cal.com Open Source
★4.5ratingPricing · FreemiumHot
The FalcoScan Intel PanelCal.com Open Source · Productivity
Data updated 2 November 2026
Opportunity
High
Band
Saturation
Open
Band
Wrapper risk
Low
Band
Momentum
Hot
Market trend
Rating
4.5
of 5 · FalcoScan rating

Productivity AI has a narrow moat on average, from the moat scores of its rated products. What protects Productivity AI tools, and the widest moats

The Brief

What Cal.com Open Source does

Cal.com is a self-hostable, open-source scheduling platform. The listing says it offers unlimited event types and apps. Individuals and teams use it to set up booking pages so others can schedule meetings without back-and-forth messages. Because the code is open source, organizations can run the platform on their own infrastructure. The product is available at cal.com.

How Cal.com Open Source compares with its closest alternatives

3 of the 5 closest alternatives have a free plan, as Cal.com Open Source does. 3 of the 5 offer an API, as Cal.com Open Source does. Cal.com Open Source offers a web app. Of the alternatives, none offers a web app. Cal.com Open Source was founded in 2021; the alternatives were founded between 2009 and 2020, 4 of them earlier. The alternatives with a known headquarters are in the United States.

Market position · Productivity

How Cal.com Open Source compares in Productivity

Cal.com Open Source has high opportunity and sits in the top third of 353 live Productivity tools on FalcoScan. Across Productivity, the average opportunity score is 63.2 and the average saturation score 47. FalcoScan rates Cal.com Open Source's own market position as open. 58 of the 353 operating Productivity tools have hot momentum, and FalcoScan has recorded 5 shutdowns in the category.

Cal.com Open Source compared with its closest alternatives
ProductOpportunitySaturationPricingPricing fromFree planAPIPlatformsMomentum
Cal.com Open SourceFounded 2021HighOpenFreemium—YesYesWebHot
NativeMindModerateContestedFree—YesYesAPI, Extension, Self-hostedStable
Raycast ExtensionsFounded 2020 · San Francisco, United StatesHighOpenFreemium—YesYesDesktopHot
Raycast AIFounded 2020 · San Francisco, United StatesModerateContestedFreemium—YesNoDesktopHot
Raycast AI CommandsFounded 2020 · San Francisco, United StatesHighOpenPaid—NoYesDesktopHot
Things 3Founded 2009ModerateContestedPaid—NoNoMobile, DesktopRising

Exact opportunity and saturation scores for all 6 of these, and where each ranks in Productivity.

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What it ships with

Capabilities & who uses it

The capabilities Cal.com Open Source exposes to builders and the verticals it currently serves.

AI Capabilities
Agents
Industry Verticals
Software
Tagged

Cal.com Open Source shows up when builders search for these

open-sourceself-hostunlimited
Similar tools · Productivity

Alternatives to Cal.com Open Source

Products still running that do the same job, from the productivity market and related ones, closest match first.

See the Productivity market
Productivity
NativeMind

Private browser extension that runs local LLMs through Ollama

Opportunity Moderate
Free
Productivity
Raycast Extensions

Supercharged productivity launcher with AI

★ 4.8Opportunity High
Freemium
Productivity
Raycast AI

AI command bar for your Mac

★ 4.7Opportunity Moderate
Freemium
Productivity
Raycast AI Commands

The fastest AI launcher for Mac power users

★ 4.7Opportunity High
Paid
Productivity
Things 3

Beautiful task manager for Apple devices

★ 4.7Opportunity Moderate
Paid
Productivity
Things 3 AI

Award-winning task manager for Apple devices

★ 4.7Opportunity Moderate
Paid
Featured in
Questions

Cal.com Open Source: common questions

Is Cal.com Open Source free?

Cal.com Open Source has a free tier, with paid plans.

What are the best alternatives to Cal.com Open Source?

The closest alternatives to Cal.com Open Source that are still running, matched on the AI capabilities, uses and audience they share, are NativeMind, Raycast Extensions, Raycast AI, Raycast AI Commands, and Things 3.

Is Cal.com Open Source still running?

Yes. As of 2 November 2026, FalcoScan lists Cal.com Open Source as operating at cal.com.

Does Cal.com Open Source have an API?

Yes. Cal.com Open Source offers an API.

Who is Cal.com Open Source for?

Cal.com Open Source is built for developers.

How do I sign in to Cal.com Open Source?

Sign in on Cal.com Open Source's own website, cal.com. FalcoScan reviews Cal.com Open Source but does not run its accounts, so logins, passwords and billing are handled by Cal.com Open Source directly.

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