The best open source alternative to Calendly is Cal.com. It's not free, so if you're looking for a free alternative, you could try Cal.com or Thunderbird Appointment. If that doesn't suit you, our users have ranked more than 100 alternatives to Calendly and 14 is open source so hopefully you can find a suitable replacement. Other interesting open source alternatives to Calendly are meetergo, Zaptime, DFN Scheduler and Meetsy.
Open-source scheduling tool offering self-hosted or hosted deployment, complete white-label branding, API-driven customization, data ownership, online booking management, flexible embedding, privacy, and integration for business meetings, seminars, and more.
Coordinate meetings by setting your availability, sharing a booking link via email or website, planning one-off or recurring events, integrating your calendar to see appointments in one view, and simplifying scheduling by replacing manual back-and-forth.
Easy!Appointments is a highly customizable web application that allows your customers to book appointments with you via the web. Moreover, it provides the ability to sync your data with Google Calendar so you can use them with other services.
AI-powered platform automates appointment booking via email, stores data in Germany for full GDPR compliance, supports team scheduling, payments, reminders, integrations with 90+ services, offers instant setup, multi-language support, and enterprise features.
Personalized scheduling of your meetings and calls. Meet Zaptime! 📅 Connect your Google Calendar or iCloud Calendar, customize your availability, and wave goodbye to double bookings. Your schedule, supercharged!.
A polls app, similar to doodle/dudle with the possibility to restrict access (members, certain groups/users, hidden and public).
lightweight, client-only calendar web application. All data persists in the URL hash for instant sharing, No backend required. Optional AES-GCM password protection keeps shared links locked without a server.
Appointment scheduling/booking application that aims to be super-simple, and open source!
Tymeslot is an open-source meeting scheduling platform built with Elixir and Phoenix LiveView. Deploy it on your own infrastructure or let us run it for you — either way, your data stays yours.
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Not dependent on JavaScript and open source. Honestly, more and more businesses are locking down JS to only trusted sites or ones they use internally. Calendly depends on it, and I had some people not be able to use it because of this. Cal provides you the same kind of functionality and is much easier to manager. Calendly does have some added functionality but as I found out