can i fork it?
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Courier costs $15/mo.
These cost $0.

2 free alternatives to Courier, checked for license, recent activity and real adoption. Each one tells you the catch, so you can switch with your eyes open.

⚡ Quick Verdict · 2027 Guide

The top-rated free, open-source replacement for Courier is Novu (Open Source Open Source). Across this category, 2 self-hostable tools are available (including Novu and Dittofeed). Switching a 5-person team saves up to $900/year compared to Courier's $15/mo subscription.

The catch: Requires self-hosting setup, updates, and server maintenance compared to managed Courier.

See the 2 picks ↓

Courier vs Free Alternatives

Quick side-by-side comparison · $0/mo vs $15/mo

AlternativeTypeLicenseWhere It RunsStarsHead-to-Head
Novuopen sourceOpen SourceSelf-host★ 40.3kCourier vs Novu →
Dittofeedopen sourceMITSelf-host★ 3kCourier vs Dittofeed →

The picks

2 open source · ranked by fit

  1. 01

    Novu

    open sourceOpen SourceSelf-host
    40.3knov 2026

    Open-source platform for building in-app, email, push, SMS, and chat notifications with a unified API, workflow engine, and embeddable inbox component.

    The catch vs Courier

    Requires self-hosting setup, updates, and server maintenance compared to managed Courier.

    Install, platforms & data +
    platforms
    webself-hosteddocker to self-host
    install
    Clone https://github.com/novuhq/novu or deploy with Docker Compose
    setup
    Deploy via Docker or binary release from GitHub and configure environment variables.
    your data
    All application data and configuration live on your own server or local database.
    checked
    2026-11-07
  2. 02

    Dittofeed

    open sourceMITSelf-host
    3knov 2026

    Dittofeed offers low-code tools for message automation across multiple channels, including powerful segmentation and personalization features.

    The catch vs Courier

    Dittofeed handles event-driven segments and journeys, but its Postgres-and-ClickHouse operating burden and narrower all-in-one analytics experience are worse than Bento's managed stack.

    Install, platforms & data +
    platforms
    webself-hostedself-host, real ops
    install
    Dittofeed Cloud or Docker Compose/Kubernetes self-host
    setup
    Docker Compose brings Postgres and ClickHouse, but the harder first step is instrumenting product events and connecting an email provider.
    your data
    Self-hosted identity and configuration data lives in PostgreSQL and event/segment data in ClickHouse; optional blob data can use object storage.
    checked
    2026-11-07

Courier Head-to-Head Comparisons (2027)

Side-by-side trade-off breakdowns · 2 free alternatives

Frequently Asked Questions

Direct answers · Courier open-source replacements

What is the best free alternative to Courier?+

The top free alternative to Courier is Novu (open source, Open Source). Open-source platform for building in-app, email, push, SMS, and chat notifications with a unified API, workflow engine, and embeddable inbox component. Other popular Courier replacements include Dittofeed.

Can I self-host a free replacement for Courier?+

Yes. Of the 2 free alternatives to Courier, 2 can be self-hosted on your own server or local machine: Novu (Open Source), Dittofeed (MIT).

How much does switching from Courier to a free alternative save?+

Courier starts at $15/month per seat ($180/year). Switching a 5-person team to a free alternative like Novu saves $900 per year in software subscription fees.

Should I vibe-code or build my own Courier clone from scratch?+

Our build verdict for Courier is NO (use a free alternative, save the tokens). Instead of paying recurring SaaS fees for Courier or rebuilding it from scratch, deploy one of the 2 battle-tested open-source alternatives like Novu.

What is the catch when switching from Courier to Novu?+

Requires self-hosting setup, updates, and server maintenance compared to managed Courier.