Online appointment scheduling, the sovereign version
The open-source alternative to Calendly powered by Cal.com, installed and maintained by DINAO. Schedule your appointments in white-label — your agendas remain hosted in France.
What is Cal.com?
Cal.com is the open-source alternative to Calendly, an infrastructure for scheduling "absolutely everything." Founded in 2021, the project enables online appointment scheduling while maintaining full control over your data, workflows, and appearance.
Cal.com is white-label by design: it deploys on your own domain, under your brand, and is entirely API-driven. You control your event types, availability, agenda synchronization, time zones, reminders, and appointment distribution within a team.
The project offers mature integrations, a growing application ecosystem, and enterprise-grade controls. The "single-player" APIs are open source under the AGPLv3 license, ensuring transparency and self-hosting — ideal for regaining control over scheduling without relying on a proprietary service.
Host Cal.com at DINAO
Resource tiers compatible with Cal.com prerequisites (minimum 2 vCPU / 2 Go / 10 Go). Hosted in France, fully managed.
- 2 dedicated vCPU
- 4 Go RAM
- 40 GB NVMe
- Daily backups
- Managed & monitored by DINAO
- 4 dedicated vCPU
- 8 Go RAM
- 80 GB NVMe
- Daily backups
- Managed & monitored by DINAO
- 8 dedicated vCPU
- 16 Go RAM
- 160 GB NVMe
- Daily backups
- Managed & monitored by DINAO
1 hidden tier(s) (insufficient resources for this app) : Découverte
Technical details
You might be wondering…
How does Cal.com differ from Calendly?
Cal.com is the open-source alternative to Calendly: you retain full control over your data, workflows, and appearance. It is white-label by design and deployable on your own domain, which closed SaaS solutions do not allow.
Can I customize the appearance?
Yes. Cal.com is designed as white-label: logo, colors, domain, the booking experience is entirely tailored to your image, with no mention of a third-party vendor.
Where is the data hosted?
On DINAO's infrastructure in France, in one of the available data centers. Your clients' agendas and contact details do not leave the territory.
Are technical skills required?
No for usage: the interface is ready to use and DINAO manages installation, security, and updates. A technical team can leverage the API and advanced integrations.
Can I change plans or export my data?
Yes. You can upgrade or downgrade at any time, and your data remains exportable — no proprietary lock-in.
