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Knock is infrastructure for sending product and customer messaging. Ship cross-channel product notifications and lifecycle messaging that drives engagement, growth, and retention. Knock has everyth
SuprSend is a notification infrastructure built for modern product teams who need reliable, scalable, and developer-friendly notifications without building everything from scratch. WHY TEAMS CHOOSE
The notification platform that turns complex multi-channel delivery into a single component. Built for developers, designed for growth, powered by open source. Novu provides a unified API that make