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Freedom251 › Appointment Scheduling Software

Cal.com

by Cal.com

Free plan AndroidAPIExtensioniPhoneLinuxMac+3

Visit Cal.com Alternatives Pricing

Cal.com's own site

Plans

PlanBilled and limitsPrice
FreeFree forever · 1 user · unlimited event types and calendars · email and SMS notifications · 100+ app integrations · mobile app · browser extension · Stripe and PayPal payments · Salesforce and HubSpot sync · Calendly importFree
TeamsYEARLY; Save 25%; per user/month · Free features · 1 team with shared availability · round-robin · managed and collective event types · recurring events · customizable notifications · remove branding · routing forms · booking analytics · custom APIs$12
OrganizationsYEARLY; Save 25%; per user/month · Teams features · unlimited sub-teams · custom-variable routing · company subdomain · SAML SSO and SCIM · SOC 2, HIPAA and ISO 27001 compliance · instant meetings · domain-wide delegation · role permissions · additional APIs$28
EnterpriseAnnual pricing · Organizations features · dedicated onboarding and engineering · SLA and uptime guarantees · HRIS and directory integrations · priority Slack and account support · dedicated databaseOn request

As cal.com lists them, read 14 Oct 2026. The maker's own page has the final word.

Facts from Cal.com's own pages

API authentication
API v2 supports OAuth and API keys, while the older Platform method is deprecated. · cal.com, 14 Oct 2026
API documentation depth
The API documentation covers bookings, schedules, slots, calendars, conferencing, event types, routing forms, workflows, webhooks, teams, organizations, OAuth and access control. · cal.com, 14 Oct 2026
API rate limit
The documented API-key rate limit is 120 requests per minute, with higher limits available by request and possible extra charges. · cal.com, 14 Oct 2026
Automated reminders
Yes · cal.com, 21 Sept 2026
Booking controls
Users can set daily, weekly or monthly booking limits, minimum notice and before/after-event buffers. · cal.com, 14 Oct 2026
Booking pages
Yes · cal.com, 21 Sept 2026
Cal.diy licence
Cal.diy's entire community codebase is described as 100% MIT-licensed. · github.com, 14 Oct 2026
Calendar coordination
It cross-references connected calendars to prevent double bookings and lets users define availability and buffers. · cal.com, 14 Oct 2026
Calendar sync
two-way · cal.com, 21 Sept 2026
Changelog
The September 15, 2026 update lists Workflows 2.0, Cal.ai returning to the app store and Troubleshooter 2.0. · cal.com, 14 Oct 2026
Company founding
LinkedIn lists Cal.com as founded in 2021. · linkedin.com, 14 Oct 2026
Company headquarters
LinkedIn lists San Francisco, California as headquarters, while the company's about page says its team is fully distributed and has no physical headquarters. · linkedin.com, 14 Oct 2026
Company size
LinkedIn lists Cal.com in the 11–50 employee range. · linkedin.com, 14 Oct 2026
Developer examples
The booking endpoint documentation provides cURL, Python, JavaScript and PHP request examples. · cal.com, 14 Oct 2026
Documentation and support
Cal.com maintains API documentation and a help desk, and lists [email protected] as a support contact. · cal.com, 14 Oct 2026
Embeds
Cal.com offers website embedding so a booking page can be placed inside another site or product. · cal.com, 14 Oct 2026
Extensibility
Cal.com exposes React scheduling components, embeds, webhooks and an app store for integrations. · cal.com, 14 Oct 2026
Free plan
Yes · cal.com, 21 Sept 2026
Funding
The company's about page says it has raised $32.4 million in funding. · website.cal.com, 14 Oct 2026
Group booking
Yes · cal.com, 21 Sept 2026
Headquarters
San Francisco, California, United States · cal.com, 23 Sept 2026
Independent editorial limits
DigiJaws says the product is more technical than simpler alternatives, self-hosting carries operational burden, the main product is closed source and its ecosystem is smaller than Calendly's. · digijaws.com, 14 Oct 2026
Independent editorial praise
DigiJaws rates Cal.com 4.5/5 and highlights its flexibility, developer orientation, white-labeling, API/webhooks and generous free tier. · digijaws.com, 14 Oct 2026
Integrations
The pricing page lists Google Meet, Microsoft Teams, Zoom, Cal Video, Google Calendar, Outlook, Apple Calendar, Zoho Calendar, Salesforce, HubSpot, Stripe, PayPal, Zapier, Make and more than 100 direct integrations. · cal.com, 14 Oct 2026

Where Cal.com stands on Freedom251

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