Can I open-source SendFox?
YES · mature open-source replacementYes. Ghost (49k stars), Listmonk (22k stars), Mautic (10k stars) are mature open-source replacements for SendFox — self-host with docker and stop paying.
SendFox: The editor is trivial compared with inbox placement, compliance, reputation, unsubscribe handling, analytics, and audience growth infrastructure.
xpayments, recommendations, and audience network
xsender reputation, deliverability, and suppression handling
xsender reputation and deliverability operations
xbounce, complaint, and suppression handling
xlarge-scale segmentation and automation
These projects already replace it, free.
MMauticBroadcasts and automations with no contact cap; the server stack is wildly less simple.open source↗GGhostPublishing platform with memberships and paid newsletters built in. The self-hosted answer to Substack taking 10% of your revenue.open source↗LListmonkHigh-performance single-binary newsletter and mailing list manager with campaigns, templates, and Postgres backendopen source↗What each one is, in full: Mautic · Ghost · Listmonk
all 4 open-source alternatives to SendFox →· no votes, no pay-to-list · just what's real
SendFox pricing
| plan | monthly | annual (per mo) | what you get |
|---|---|---|---|
| free | $0/workspace | $0/workspace | 1,000 contacts, 3,000 sends/month, 1 smart page, 1 form, 1 automation, no API, no MCP, branding. |
| lifetime license | custom | — | 5,000 contacts, 300,000 lifetime sends, unlimited automations/smart pages/forms, full API. |
| pro 5k | $19/workspace | $15.83/workspace | 5,000 contacts, 100,000 sends/month, white label, MCP, VIP sending IP, paid newsletters, HTML editor. |
| pro 25k | $79/workspace | $65.83/workspace | 25,000 contacts; higher send/contact tier of Pro. |
| custom | custom | — | Above 250,000 contacts; custom terms. |
free tier$0; 1,000 contacts, 3,000 sends/month, 1 smart page, 1 form, 1 automation, branding, no API/MCP.
billingfree + one-time lifetime license + monthly Pro; annual Pro gives 2 months free
hidden costsLifetime plan has 300,000 lifetime sends and keeps footer; Pro price grows with contact tier.
verified 2026-08-10 · source ↗
Can I open-source SendFox?
Yes. Mautic replaces SendFox 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 SendFox cost?
SendFox's pricing is usage-based or varies by plan · The pricing model is not safely comparable as one fixed monthly USD amount. Review the official source before publication..
What do I lose by replacing SendFox?
Honestly: payments, recommendations, and audience network; sender reputation, deliverability, and suppression handling; sender reputation and deliverability operations; bounce, complaint, and suppression handling; large-scale segmentation and automation. If any of those are load-bearing for you, keep paying.
Is there an open-source alternative to SendFox?
Yes: Mautic (Broadcasts and automations with no contact cap; the server stack is wildly less simple.) 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) All 4 curated open-source alternatives are at caniopensourceit.online/sendfox/alternatives.