novu
The open-source notification infrastructure
...Simple components and APIs for managing all communication channels in one place: Email, SMS, Direct, and Push. Select channels, add content with {{dynamic}} syntax, and custom rules to control the delivery of notifications. Use a built-in collection of popular providers - Sendgrid, Mailgun, Twilio and many more. Add API key and you're ready to go. Send an event trigger using one of our community-built SDK's, and we will handle it from there. A digest engine that aggregates multiple events in to a single precise notification. ...