Novu

✓ Verified FOSSApache-2.0

Top open-source alternative to Twilio / Courier / Knock

⭐ 40,144 Stars Official Website ↗

The open-source communication infrastructure for agents and products

Tech StackTypeScript, NestJS, MongoDB, Redis

Self-Host DifficultyMedium

License ModelApache-2.0

GitHub Repositorynovuhq/novu

Recommended VPS & Hardware Sizing

Estimated Hosting: $10 - $15/mo (e.g. Hetzner CPX21 or Linode)

Min RAM:2 GB

Rec RAM:4 GB

Compute:2 vCPU

Disk Space:25 GB SSD

Novu vs Twilio / Courier / Knock Comparison Matrix

Evaluation Criteria	Novu (Open Source)	Twilio / Courier / Knock (Proprietary)
Vendor Lock-in	Switch SMS/Email providers with zero code change	Hardcoded Twilio/Courier provider lock-in
Monthly Ingest Fees	$0 platform fee	$99 - $500+/mo recurring platform charges

INTERACTIVE TCO MODELEstimated Rate: $50/user/mo

Financial Impact: Migrating from Twilio / Courier / Knock to Self-Hosted Novu

Detailed Stack Calculator →

Active Team Members / Seats: 25 Users

5 Users (Early Startup)50 Users (Scaleup)200 Users (Enterprise Org)

Twilio / Courier / Knock (Cloud SaaS)Per-Seat Tax

$15,000per year ($1,250/mo)

3-Year Spend:$45,000

* Excludes enterprise SSO add-ons & usage overages

Novu (Self-Hosted)Zero Per-Seat Fee

$120per year ($10/mo Linux VPS)

3-Year Compute:$360

* Commodity Hetzner / DigitalOcean compute instance

Cumulative 3-Year ROI+$44,640Net savings across 36 months (99% reduction)

Annual Free Cash:+$14,880/yr

Need C-Level Buy-In? Generate an instant ROI proposal memo to present to your CTO or CFO.

HEAD-TO-HEAD BATTLES // SIDE-BY-SIDE AUDIT

Compare Novu Head-to-Head

Custom Comparison Engine →

★ PRIMARY REPLACEMENTFOSS vs SaaS

Novuvs

Twilio / Courier / Knock

Comprehensive benchmark comparing Novu against proprietary Twilio / Courier / Knock licensing and features.

View Full Battle Report→

CommunicationPEER BENCHMARK

Listmonkvs

Mailchimp

Self-Hosted High-Speed Newsletter Server vs $350+/Mo Mailchimp Tier

Inspect Comparison→

Core Capabilities & Features

✓Unified Notification Workflow Engine

✓In-App Notification Center Widget

✓Multi-Provider Email, SMS, Push & Chat

✓Visual Notification Builder

Self-Host Novu with Docker Compose

Tweak configuration ports, secrets, and volumes live. Download or copy your ready-to-run container file:

1-Click Docker Compose Generator

Generate production-ready container definitions with customizable ports and volumes.

Select Open-Source Project:

NovuApache-2.0

The open-source notification infrastructure for developers

Difficulty: Medium40,144 ⭐

Configure Parameters

Novu API Port (API_PORT)

Novu WebSocket Port (WS_PORT)

docker-compose.novu.yml

version: '3.8'

services:
  novu-api:
    image: novuhq/novu:latest
    restart: unless-stopped
    ports:
      - "${API_PORT:-3000}:3000"
      - "${WS_PORT:-3002}:3002"
    environment:
      - NODE_ENV=production
      - MONGO_URL=mongodb://mongo:27017/novu
      - REDIS_HOST=redis
    depends_on:
      - mongo
      - redis

  mongo:
    image: mongo:4.4
    restart: unless-stopped
    volumes:
      - novu_mongo:/data/db

  redis:
    image: redis:6-alpine
    restart: unless-stopped

volumes:
  novu_mongo:

Frequently Asked Questions: Self-Hosting Novu

How do I self-host Novu using Docker Compose?

You can deploy Novu (novuhq/novu) on any Linux server by copying the docker-compose.yml template on this page, configuring your desired host port and persistent volume directory, and running 'docker compose up -d'.

How does Novu compare to Twilio / Courier / Knock?

Novu is an open-source, self-hosted alternative to Twilio / Courier / Knock built with TypeScript, NestJS, MongoDB, Redis. Unlike Twilio / Courier / Knock ($0.0079/msg + $99 - $500+/mo platform fees), Novu has zero per-user licensing fees and keeps 100% of your data on your own infrastructure.

What are the minimum VPS RAM and CPU requirements for Novu?

For production self-hosting (Medium difficulty tier), we recommend at least 4 GB RAM (minimum 2 GB), 2 vCPU, and 25 GB SSD storage, which typically costs $10 - $15/mo (e.g. Hetzner CPX21 or Linode).

Is Novu free for commercial business use under the Apache-2.0 license?

Yes. Distributed under the Apache-2.0 license, Novu can be self-hosted internally by businesses and engineering teams of any size without per-seat royalties.

README INTEGRATION // REPO EMBED

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