Notifications middleware

3 reusable Notifications middleware libraries across every platform — libraries, SDKs, and drop-in systems. You should never have to know which ecosystem it lives in.

• Novu

  by Novu · Free · MIT · middleware

  Open-source notification infrastructure — email, SMS, push, and in-app in one API.

  NotificationsEmailMessaging   Node.jsTypeScriptReact

• sonner

  by emilkowalski · Free · npm

  An opinionated toast component for React.

  Notifications   React

• web

  by flori-ai-kr · Free · github

  Flori AI — all-in-one admin for independent flower shops. Next.js 16 PWA on multi-tenant Supabase (RLS), Cloudflare R2 image storage, and Web Push reminders — sales, expenses, customers, reservations, gallery & insights in one installable app.

  UINotifications   TypeScriptReact