Easy!Appointments

Category: Booking & Scheduling.

GPL-3.0🖥️ Self-hostable

Rallly

Category: Booking & Scheduling.

AGPL-3.0-or-later🖥️ Self-hostable

LibreBooking

Category: Booking & Scheduling.

GPL-3.0🖥️ Self-hostable

Alf.io

Category: Booking & Scheduling.

GPL-3.0-or-later🖥️ Self-hostable

Seatsurfing

Category: Booking & Scheduling.

GPL-3.0🖥️ Self-hostable