Best Open Source

Cal.com

by Cal.com Inc.

Scheduling infrastructure for everyone

Independently VerifiedLast verified: March 2026
See 4 alternatives to Cal.com

8.3

/ 10

Overall Score

Cal.com scores 8.3/10 overall. Scheduling infrastructure for everyone. Best for: Developers wanting open-source scheduling. Starting at $15/month. Last verified Mar 20, 2026.

Score Breakdown

How we score →
Value
9
Ease of Use
7
Power
8
Setup Friction
7
Migration Ease
7
Transparency
10

Scores are editorial assessments on a 1–10 scale. Overall score uses a weighted formula: Value (25%), Power (20%), Transparency (20%), Ease (15%), Setup (10%), Migration (10%). Full methodology

Switching Intelligence

Sasanova Exclusive

Migration Difficulty

Easy

Implementation Complexity

Low

Data Export & Portability

API access, self-hosted: full database access

Best For

  • Developers wanting open-source scheduling
  • Teams wanting Calendly features at lower cost
  • Anyone who values self-hosting and data ownership

Avoid If

  • You want the most polished consumer UX
  • You need the deepest CRM integrations out of the box
  • You prefer established enterprise support

Features

Open source
Self-hostable
Unlimited event types (free)
Round robin
Collective scheduling
Routing forms
Webhooks
API
Custom branding
Payments

Pricing

PlanMonthlyAnnualBillingLimits
FreeFreeFreeflat1 user, unlimited event types, unlimited bookings
TeamPopular$15/mo$144/yrper_seatTeam scheduling, round robin, collective bookings
Organization$37/mo$444/yrper_seatSSO, SCIM, org-wide settings, advanced routing

Free tier: 1 user, unlimited event types, unlimited bookings, open source

Pricing Calculator

Estimate your monthly cost for Cal.com. Click a plan to select it.

1255075100

Estimates based on published pricing. Usage-based plans are approximated. Verify with vendor for exact quotes.

Integrations

Google CalendarOutlookZoomGoogle MeetStripeZapierHubSpotSalesforceDaily.co

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