Alf.io vs QloApps
| Tagline | Open-source ticket reservation platform for events of any size | Open-source hotel reservation and channel management system |
| Category | Scheduling & Booking | Scheduling & Booking |
| Replaces | Calendly, Acuity Scheduling | Acuity Scheduling, Calendly |
| GitHub stars | 1.6k | 14k |
| Language | Java | PHP |
| License | GPL-3.0 | OSL-3.0 |
| Self-host difficulty | 4/5 Involved | 4/5 Involved |
| Deploy options | Docker Docker Compose Manual | Docker Manual |
| Managed hosting | ||
| Last updated | 4 days ago | 6 days ago |
| View repo | View repo |
Where each falls short
The honest trade-offs — what you give up with each, versus the proprietary tools they replace.
Alf.io
- No built-in recurring appointment booking (1:1 scheduling like Calendly)
- Mobile app for attendees is not provided; check-in relies on a separate web view
- Analytics and post-event reporting are basic compared to Eventbrite or Cvent
- Initial Java/PostgreSQL setup is heavier than typical SaaS onboarding
QloApps
- Scope is hotel-specific; not a general-purpose appointment scheduler
- Channel manager integrations (OTA sync) are limited compared to commercial PMS solutions
- Mobile app for guests/staff is absent out of the box
- PrestaShop heritage makes theming and customisation non-trivial
Bottom line
Both are a similar lift to self-host; choose QloApps for the larger community and ecosystem. Alf.io has seen more recent development. Open each guide below for deploy steps and the full feature gap.