Open-source repos for booking
17 repos tagged Booking, sorted by GitHub stars. Add filters from the other category types to narrow the list.
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calcom/cal.diy
Self-hosted Calendly-style scheduling with booking pages, availability rules and calendar sync.
Docker, Web, Operations, Sales, B2B services, SaaS, Self hosters
49.7k starsMITUpdated 3 Nov 2026
Qloapps/QloApps
Hotel property management system with booking engine and hotel website in one package.
Storefronts, Payments, Web, Operations, Sales, Hospitality and restaurants, Travel, Self hosters
14.5k starsOSL-3.0Updated 30 Oct 2026
openemr/openemr
Electronic health records and practice management for clinics, with scheduling, billing and e-prescribing.
Health records, Invoicing, Web, Docker, Operations, Healthcare, Self hosters
5.6k starsGPL-3.0Updated 3 Nov 2026
lukevella/rallly
Meeting poll tool that lets participants vote on times without creating accounts.
5.3k starsAGPL-3.0Updated 2 Nov 2026
alextselegidis/easyappointments
Web appointment booking that lets clinics, salons and service businesses take bookings online.
Web, Docker, Operations, Customer support, Healthcare, Local business, Self hosters
4.5k starsGPL-3.0Updated 2 Nov 2026
HiEventsDev/Hi.Events
Self-hosted event ticketing and management with checkout, check-in and reports.
Payments, Storefronts, Web, Stripe, Operations, Marketing, Creators, Nonprofit, Self hosters
4.1k starsOtherUpdated 2 Nov 2026
tastyigniter/TastyIgniter
Restaurant system for online food ordering, table reservations and menu management.
Storefronts, Web, Operations, Hospitality and restaurants, Local business
3.8k starsMITUpdated 17 Oct 2026
pretix/pretix
Ticket shop for conferences, festivals and events with seating, check-in and payments.
Payments, Storefronts, Web, Stripe, Operations, Marketing, Media and publishing, Nonprofit, Self hosters
2.6k starsOtherUpdated 2 Nov 2026
evroon/bracket
Tournament system for setting up brackets and showing live rankings for esports and clubs.
Analytics dashboards, Web, Docker, Operations, Gaming, Events, Community building
1.8k starsAGPL-3.0Updated 3 Nov 2026
alfio-event/alf.io
Ticket reservation system for events with payments, check-in and attendee management.
Payments, Web, Docker, Sales, Operations, Events, Nonprofit, Self hosters
1.6k starsGPL-3.0Updated 2 Nov 2026
LibreBooking/librebooking
Resource and room scheduling for universities, labs and offices with approvals and quotas.
Web, Docker, Operations, Education, Local business, Self hosters
842 starsGPL-3.0Updated 2 Nov 2026
earthians/marley
Health information system on Frappe/ERPNext covering patients, appointments, labs and billing.
Health records, Invoicing, Web, Operations, Finance, Healthcare
555 starsGPL-3.0Updated 1 Nov 2026
hitobito/hitobito
Manages members, group hierarchies and events for clubs, associations and youth organisations.
485 starsAGPL-3.0Updated 2 Nov 2026
masslight/ottehr
Modular EHR for urgent care and telemedicine clinics, built on FHIR.
342 starsOtherUpdated 1 Nov 2026
seatsurfing/seatsurfing
Desk and meeting room booking for hybrid offices and coworking spaces.
316 starsGPL-3.0Updated 3 Nov 2026
urlaubsverwaltung/urlaubsverwaltung
Web app for requesting, approving and tracking employee vacation and sick leave.
Web, Docker, HR, Self hosters
302 starsApache-2.0Updated 2 Nov 2026
Raktim94/nodedr-restaurant-pos
Point-of-sale system for restaurants that you host yourself, with table plans, a kitchen screen, QR menus and bookings.
Point of sale, Docker, Web, Operations, Hospitality and restaurants, Self hosters
253 starsAGPL-3.0Updated 30 Oct 2026