Can I open-source lemcal?
KINDA · partial or early alternativesKinda. Cal.com cover the core of lemcal, but they're early or partial — expect gaps like race-free booking under load and team routing and round robin.
lemcal: People pay because a booking tool must never double-book them, leak private events, or send the wrong time to a client.
xrace-free booking under load
xteam routing and round robin
xreliable reminders and timezone edge cases
xcalendar-provider edge cases and timezone correctness
xmulti-calendar conflict handling
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
lemcal pricing
| plan | monthly | annual (per mo) | what you get |
|---|---|---|---|
| starter | $0/user | $0/user | 1 calendar; 3 active meeting types; 3 availability schedules on the monthly comparison. |
| pro | $9/user | $7/user | 5 calendars; unlimited meeting types; unlimited availability schedules. |
free tier1 user; 1 calendar; 3 active meeting types; the availability-schedule cap is internally inconsistent (3 on the monthly comparison, unlimited on the annual comparison).
billingmonthly + annual (-22%)
verified 2026-08-14 · source ↗
Can I open-source lemcal?
Kinda. Cal.com covers the core of lemcal, but there are real gaps: race-free booking under load, team routing and round robin. Read the honest list above before committing.
How much does lemcal cost?
lemcal's pricing is usage-based or varies by plan · The official pricing URL is recorded, but a stable current amount was not safely recoverable in this pass. Do not publish a number until rechecked..
What do I lose by replacing lemcal?
Honestly: race-free booking under load; team routing and round robin; reliable reminders and timezone edge cases; calendar-provider edge cases and timezone correctness; multi-calendar conflict handling. If any of those are load-bearing for you, keep paying.
Is there an open-source alternative to lemcal?
Yes: Cal.com (Open scheduling infrastructure with booking pages, round-robin, routing forms, and app integrations)