Cal.com

Deploy Cal.com on Out Plane — the open-source scheduling infrastructure and Calendly alternative. Cal.com provides event types, availability management, team scheduling, round-robin assignments, and calendar integrations with Google Calendar, Outlook, and Apple Calendar in a self-hosted package.

Cal.com supports custom booking pages, workflow automations for reminders and follow-ups, Stripe payment collection for paid consultations, and an embeddable widget for your website. The platform handles time zone detection, buffer times, and booking limits automatically. Self-hosting on Out Plane means your scheduling data and integrations stay under your control.

Ideal for consultants, SaaS companies, agencies, and teams that need professional scheduling without per-seat pricing, with full customization and white-labeling capabilities.