Can I open-source Appointlet?
KINDA · partial or early alternativesKinda. Cal.com cover the core of Appointlet, but they're early or partial — expect gaps like team routing and round robin and reliable reminders and timezone edge cases.
Appointlet: People pay because a booking tool must never double-book them, leak private events, or send the wrong time to a client.
xteam routing and round robin
xreliable reminders and timezone edge cases
xcalendar-provider edge cases and timezone correctness
xmulti-calendar conflict handling
xrace-free booking under load
These projects already replace it, free.
CCal.comOpen scheduling infrastructure with booking pages, round-robin, routing forms, and app integrationsopen source↗What each one is, in full: Cal.com
no votes, no pay-to-list · just what's real
Appointlet pricing
| plan | monthly | annual (per mo) | what you get |
|---|---|---|---|
| free | $0/user | $0/user | Up to 5 team members, 25 booked meetings/month and 1 scheduling page |
| premium | $12/user | $9/user | Unlimited meetings/pages, reminders, manual confirmation, payments, pre-filled forms, redirects, Zapier/webhooks and removed branding |
| enterprise | custom | — | Custom seats, security, implementation and support |
free tier5 members, 25 booked meetings/month and 1 scheduling page
billingmonthly + annual; 14-day Premium trial that auto-downgrades to Free; seats are prorated
hidden costsPremium is per member. The 30-day money-back guarantee applies only when there were zero bookings in the current billing cycle. Nonprofits and educational institutions can qualify for 25% off.
verified 2026-08-14 · source ↗
Can I open-source Appointlet?
Kinda. Cal.com covers the core of Appointlet, but there are real gaps: team routing and round robin, reliable reminders and timezone edge cases. Read the honest list above before committing.
How much does Appointlet cost?
Appointlet costs about $12/month (Premium, checked 2026-07-31), which is $144 per year.
What do I lose by replacing Appointlet?
Honestly: team routing and round robin; reliable reminders and timezone edge cases; calendar-provider edge cases and timezone correctness; multi-calendar conflict handling; race-free booking under load. If any of those are load-bearing for you, keep paying.
Is there an open-source alternative to Appointlet?
Yes: Cal.com (Open scheduling infrastructure with booking pages, round-robin, routing forms, and app integrations)