Can I open-source Gmelius?
KINDA · partial or early alternativesKinda. Stalwart and Listmonk cover the core of Gmelius, but they're early or partial — expect gaps like team routing and shared inbox rules and abuse response and security operations.
Gmelius: Email is infrastructure. Customers pay to avoid lost messages, broken auth, spam problems, and the reputational cost of a flaky inbox.
xteam routing and shared inbox rules
xabuse response and security operations
xprovider-grade deliverability
xpush reliability across devices
These projects already replace it, free.
LListmonkHigh-performance single-binary newsletter and mailing list manager with campaigns, templates, and Postgres backendopen source↗SStalwartModern all-in-one mail server in Rust with JMAP, IMAP, and SMTP plus built-in spam filtering.open source↗What each one is, in full: Listmonk · Stalwart
no votes, no pay-to-list · just what's real
Gmelius pricing
| plan | monthly | annual (per mo) | what you get |
|---|---|---|---|
| meli | $21/user | $19/user | Up to 5 users; 5,000 email conversations/month; 5 custom AI labels. |
| growth | $33/user | $25/user | Up to 50 users; 10,000 email conversations/month; 10,000 rule executions/month; 10 custom AI labels. |
| pro | $50/user | $40/user | Unlimited users; 100,000 email conversations/month; 100,000 rule executions/month; 20 custom AI labels. |
| enterprise | custom | — | 50-user minimum; unlimited email conversations and rule executions; 100 custom AI labels. |
free tierno free tier; 7-day Growth trial with no credit card
billingmonthly + annual; annual invoices can be paid by card or bank transfer
hidden costsEvery connected Google/Google Workspace mailbox is a paid user, all members of one team must use the same plan, and Enterprise has a 50-user minimum; published usage caps can force an upgrade.
verified 2026-08-12 · source ↗
Can I open-source Gmelius?
Kinda. Listmonk covers the core of Gmelius, but there are real gaps: team routing and shared inbox rules, abuse response and security operations. Read the honest list above before committing.
How much does Gmelius cost?
Gmelius's pricing is usage-based or varies by plan · The official pricing URL is recorded, but a stable current amount was not safely recoverable in this pass. Do not publish a number until rechecked..
What do I lose by replacing Gmelius?
Honestly: team routing and shared inbox rules; abuse response and security operations; provider-grade deliverability; push reliability across devices. If any of those are load-bearing for you, keep paying.
Is there an open-source alternative to Gmelius?
Yes: Listmonk (High-performance single-binary newsletter and mailing list manager with campaigns, templates, and Postgres backend) Stalwart (Modern all-in-one mail server in Rust with JMAP, IMAP, and SMTP plus built-in spam filtering.)