Can I open-source Omnisend?

KINDA · partial or early alternatives
price $11.2/moyou'd save $134.40/yrcategory 📮 newslettersreplaced by 0 people

Kinda. Listmonk and Keila cover the core of Omnisend, but they're early or partial — expect gaps like sender reputation and deliverability operations and bounce, complaint, and suppression handling.

why people still pay

Omnisend: The editor is trivial compared with inbox placement, compliance, reputation, unsubscribe handling, analytics, and audience growth infrastructure.

what you lose

xsender reputation and deliverability operations

xbounce, complaint, and suppression handling

xlarge-scale segmentation and automation

xpayments, recommendations, and audience network

xsender reputation, deliverability, and suppression handling

the open-source alternatives

These projects already replace it, free.

GGhostPublishing platform with memberships and paid newsletters built in. The self-hosted answer to Substack taking 10% of your revenue.49kaug 2026open source↗LListmonkHigh-performance single-binary newsletter and mailing list manager with campaigns, templates, and Postgres backend22kaug 2026open source↗KKeilaLean newsletter tool in Elixir — campaigns, segments, signup forms. Bring your own SES/SMTP and sending is nearly free.2.0kaug 2026open source↗

What each one is, in full: Ghost · Listmonk · Keila

no votes, no pay-to-list · just what's real

share on X ↗"I just replaced Omnisend ($11.2/mo) with open source"
the numbers

Omnisend pricing

planmonthlyannual (per mo)what you get
free$0/workspace$0/workspace500 monthly emails, 250 contacts, 500 web push notifications, free migration, 24/7 support.
standard$11.20/workspace—At shown selector: 500 contacts, 6,000 emails/month, unlimited web push; Standard sends are 12x list size.
pro$41.30/workspace—At shown selector: 2,500 contacts, unlimited/fair-use email, unlimited web push, SMS from $0.007.

free tier$0; 250 contacts, 500 monthly emails, 500 web push notifications.

billingmonthly pricing shown; annual discount not verified

hidden costsContact-based tiering; SMS priced separately by country/volume; account expert free at $400/mo+ otherwise from $400; promo price was -30% for first 3 months.

verified 2026-08-10 · source ↗

questions
Can I open-source Omnisend?

Kinda. Ghost covers the core of Omnisend, but there are real gaps: sender reputation and deliverability operations, bounce, complaint, and suppression handling. Read the honest list above before committing.

How much does Omnisend cost?

Omnisend costs about $11.2/month (Standard, checked 2026-08-10), which is $134.4 per year.

What do I lose by replacing Omnisend?

Honestly: sender reputation and deliverability operations; bounce, complaint, and suppression handling; large-scale segmentation and automation; payments, recommendations, and audience network; sender reputation, deliverability, and suppression handling. If any of those are load-bearing for you, keep paying.

Is there an open-source alternative to Omnisend?

Yes: Ghost (Publishing platform with memberships and paid newsletters built in. The self-hosted answer to Substack taking 10% of your revenue.) Listmonk (High-performance single-binary newsletter and mailing list manager with campaigns, templates, and Postgres backend) Keila (Lean newsletter tool in Elixir — campaigns, segments, signup forms. Bring your own SES/SMTP and sending is nearly free.)