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Home/Categories/Communication & Collaboration/Novu
icon of Novu

Novu

Open source alternative to Courier, Knock and SuprSend

  • 40.2K stars
  • MIT
  • Active this week
  • Last commit 1 day ago

Last verified Oct 20, 2026

An open-source notification infrastructure for developers, offering a unified API for multi-channel notifications and in-app inbox.

Visit websiteGitHub40.2K stars1-click deploy on Hostinger
image of Novu
TL;DR

Novu is notification infrastructure for product teams that need in-app inbox, email, SMS, push, and chat notifications behind one workflow layer. It replaces building notification logic from scratch or wiring several providers directly into the product.

Read the full breakdownHide the full breakdownWho it is for, how it works, trade-offs and the FAQ
who it's for

Who Novu is for#

SaaS teams building notification centers

Add in-app inbox, preferences, and multi-channel delivery without building every component internally.

Skip if:

You only need marketing email campaigns.

Engineering teams consolidating notification logic

Move email, SMS, push, chat, digest, and preference logic into one product infrastructure layer.

Skip if:

Your notifications are simple enough for one transactional email provider.

the problem

The problem it solves#

Product notifications become hard to maintain when every channel has its own provider, templates, preferences, retry behavior, and event logic. Engineering teams need one workflow layer that controls how messages are composed, routed, digested, and exposed to users.

how Novu solves it

How it solves it#

Unified multi-channel API

Novu sends notifications across in-app inbox, email, SMS, push, and chat channels through one workflow layer.

Embeddable Inbox and preferences

The README highlights a real-time Inbox component and user preferences component, reducing frontend work for product notifications.

Workflow and digest engine

Teams can define notification workflows, conditions, and digest behavior instead of building channel logic from scratch.

strengths · trade-offs

Strengths and trade-offs#

Strengths

  • Built for product notificationsNovu focuses on infrastructure inside an application, not just marketing campaigns or broadcast push messages.
  • Reduces provider-specific codeA unified workflow layer keeps channel routing and preferences out of scattered application code.

Trade-offs

  • -Marketing automation tools go deeper on campaignsCustomer.io and similar tools are stronger for lifecycle marketing, segmentation, and marketer-owned campaign workflows.
  • -License needs verification before applyGitHub metadata does not expose a clean SPDX value in this environment, so ContentOps should verify the current license before publication.
versus alternatives

Novu vs alternatives#

Novu vs OneSignal and Customer.io

Novu is better when product notifications need a developer-owned workflow layer across in-app inbox, email, SMS, push, and chat. OneSignal is stronger for marketing push campaigns, while Customer.io is stronger for lifecycle marketing automation. Novu fits engineering teams that need notification infrastructure inside the product, not just campaign tooling.

tech stack · detected from GitHub

What it's built on#

Languages
JavaScriptTypeScript
Frameworks
ExpressNestJSReact
Runtimes
Node.js
Infrastructure
AWS
Cache
Redis
frequently asked

FAQ#

Can Novu replace OneSignal?

Novu can replace OneSignal when you need product notification infrastructure across inbox, email, SMS, push, and chat. OneSignal is stronger for push campaign workflows.

Can Novu replace Customer.io?

Novu can replace parts of Customer.io for product-triggered notifications. Customer.io is stronger for marketer-led lifecycle campaigns and segmentation.

Does Novu include an inbox component?

Yes. The README highlights an embeddable real-time Inbox component and user preference component.

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Hostinger

Run Novu on your own server

Hostinger sets Novu up as a one-click app on a VPS.

Deploy on Hostinger

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