Can I open-source HEY?
KINDA · partial or early alternativesKinda. Stalwart and Listmonk cover the core of HEY, but they're early or partial — expect gaps like email deliverability and spam/abuse systems.
They pay because email is infrastructure; deliverability and trust are the product.
xemail deliverability
xspam/abuse systems
xstorage reliability
xmobile apps
xidentity/reputation
xsupport
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
HEY pricing
| plan | monthly | annual (per mo) | what you get |
|---|---|---|---|
| hey for you | — | $8.25/user | 1 person; 1 @hey.com address; 100 GB storage. |
| hey for families | — | $14.92 | Up to 5 people total (account holder + 4 additional people), each with a separate @hey.com address and account. |
| hey for domains | $12/user | — | Custom-domain email with central billing; first user is $10/month and each additional user is $12/month. |
free tierno free tier; HEY for You and Families have a 30-day trial, while HEY for Domains has no free trial
billingHEY for You and Families are annual only; HEY for Domains is monthly only; prices are USD and taxes may be added
hidden costsUltra-short @hey.com addresses cost extra each year: $999/year for 2 characters and $349/year for 3 characters; 4+ characters are included with the normal personal plan.
verified 2026-08-12 · source ↗
Can I open-source HEY?
Kinda. Listmonk covers the core of HEY, but there are real gaps: email deliverability, spam/abuse systems. Read the honest list above before committing.
How much does HEY cost?
HEY costs about $8.25/month (Personal address, checked 2026-07-30), which is $99 per year.
What do I lose by replacing HEY?
Honestly: email deliverability; spam/abuse systems; storage reliability; mobile apps; identity/reputation; support. If any of those are load-bearing for you, keep paying.
Is there an open-source alternative to HEY?
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.)