This task can be performed using Tymeslot
Open-source scheduling: booking pages plus a real calendar. Self-host free or use the €9/mo cloud.
Best product for this task
Tymeslot
productivity
Tymeslot is an open-source (AGPL-3), privacy-first alternative to Calendly and Cal.com. Share one booking link: Tymeslot checks every connected calendar, creates the video link and sends the confirmations. No third-party trackers on booking pages. Self-host it for free with the full feature set, or use the managed cloud, hosted in Germany, with Pro at €9/mo.
meeting schedulerbooking calendarappointment managerproductivityfreelancer-toolsossself-hostedprivacy

What to expect from an ideal product
- Tymeslot checks every connected calendar before confirming a slot, so double bookings become impossible even when you juggle work, personal, and client calendars on one link.
- Unlike Calendly, Tymeslot is open-source (AGPL-3) and puts zero third-party trackers on your booking pages, which matters if your clients are privacy-conscious or under GDPR.
- You can self-host Tymeslot for free with the full feature set, or skip the server headache and use the managed cloud hosted in Germany for just 9 euros per month.
- One booking link handles the whole flow: Tymeslot reads your availability across all connected calendars, generates the video call link, and fires confirmation emails without you touching anything.
- Tymeslot is a practical Cal.com alternative for freelancers and small teams who want multi-calendar conflict checking without paying per seat or giving up control of their scheduling data.
