Can I open-source Substack?

YES · mature open-source replacement
price variescategory 📮 newslettersreplaced by 0 people

Yes. Ghost (55k stars), Listmonk (22k stars), Keila (2k stars) are mature open-source replacements for Substack — self-host with real ops work and stop paying.

why people still pay

People still pay for Substack because newsletter operators pay for inbox placement, growth mechanics, and operational confidence on publication day. The recurring cost buys DNS authentication, reputation, bounces, complaints, unsubscribe compliance, templates, queues, analytics, backups, and support, not just the visible interface.

what you lose

xreader network, recommendations, app distribution, payments, and brand familiarity

xinbox-placement expertise

xadvanced automations

xcommerce integrations

xrecommendation and ad networks

the open-source alternatives

These projects already replace it, free.

GGhostPosts, newsletters, memberships and payments on your server; Substack's discovery graph does not come in the tarball.55kaug 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

all 3 open-source alternatives to Substack →· no votes, no pay-to-list · just what's real

share on X ↗"I just replaced Substack with open source"
the numbers

Substack pricing

planmonthlyannual (per mo)what you get
free publishing$0/workspace$0/workspaceUnlimited free subscribers/posts/email publishing; fees only when charging readers.
paid subscriptions platform feecustom—10% Substack fee on paid subscription revenue plus payment processing.

free tier$0; unlimited free subscribers, posts and email publishing; fees only when charging readers.

billingno monthly/annual subscription; revenue share on paid subscriptions

hidden costsPaid newsletters pay 10% Substack fee plus Stripe card fees of 2.9% + $0.30 and a 0.7% recurring-billing fee; Stripe/payment-method fees vary by country/method.

verified 2026-08-10 · source ↗

questions
Can I open-source Substack?

Yes. Ghost replaces Substack today — self-host it on your own server or machine with no subscription. The full list of open-source alternatives is on this page.

How much does Substack cost?

Substack's pricing is usage-based or varies by plan · No fixed monthly plan; Substack primarily charges a percentage of paid subscription revenue..

What do I lose by replacing Substack?

Honestly: reader network, recommendations, app distribution, payments, and brand familiarity; inbox-placement expertise; advanced automations; commerce integrations; recommendation and ad networks. If any of those are load-bearing for you, keep paying.

Is there an open-source alternative to Substack?

Yes: Ghost (Posts, newsletters, memberships and payments on your server; Substack's discovery graph does not come in the tarball.) 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.) All 3 curated open-source alternatives are at caniopensourceit.online/substack/alternatives.