Notifo

Unifies emails, web sockets, web push, mobile push, and SMS through a single API, simplifying integration for diverse notification needs as highlighted in the README.

Implements retry mechanisms and message queues to ensure notifications are sent reliably, even under failure conditions, making it suitable for critical applications.

Uses path-based topic subscriptions (e.g., 'clothes/shoes/nike') with individual user preferences, allowing precise control over notifications to prevent spam.

Offers configurable confirmation modes (None, Explicit, Seen) to track read or confirmed notifications, reducing user fatigue as described in the features.