Agenda vs Alf.io
| Tagline | Node.js job scheduling library with persistent MongoDB-backed queue | Open-source ticket reservation platform for events of any size |
| Category | Scheduling & Booking | Scheduling & Booking |
| Replaces | Calendly | Calendly, Acuity Scheduling |
| GitHub stars | 9.7k | 1.6k |
| Language | TypeScript | Java |
| License | MIT | GPL-3.0 |
| Self-host difficulty | 3/5 Moderate | 4/5 Involved |
| Deploy options | Manual Docker | Docker Docker Compose Manual |
| Managed hosting | ||
| Last updated | 10 days ago | 5 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.
Agenda
- Library only — no UI for managing or viewing scheduled jobs without additional tooling
- Requires MongoDB; not suitable for simple SQLite/Postgres-only stacks
- No native support for distributed locking at high scale
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
Bottom line
Choose Agenda if you want the lower-effort setup; choose Agenda 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.