ToolVitals
CriticalOSI-approved OSSMarketingEmail MarketingSelf-Hosted Software Stack

BillionMail

BillionMail gives you open-source MailServer, NewsLetter, Email Marketing — fully self-hosted, dev-friendly, and free from monthly fees. Join the discord: https://discord.gg/asfXzBUhZr

WebsiteGitHubDiscord
Data confidence79/100
Source coverage76/100
Publish confidence78/100
Evidence checkedJul 31, 2026
Score Breakdown

Public signal read

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How to read this

These bars are a reader-facing view of the ToolVitals evidence model. They summarize maintenance, shipping, confidence, and decay signals.

Activity
Recent commits, releases, changelog, package, and product-motion signals.
Reliability
Maintenance posture from recency, release evidence, availability, and repo signals.
Adoption
Public footprint from GitHub stars, forks, and watchers when available.
Sustainability
Longer-term posture combining health, activity, adoption, confidence, and decay risk.
ToolVitals44/100Health49/100Shipping7/100Zombie Risk18/100
Overall Score44Critical
Activity7
Reliability49
Adoption86
Sustainability51

Score History

Scores collected daily. More data points appear as the tracker runs.

About this tool

What ToolVitals knows about BillionMail

BillionMail gives you open-source MailServer, NewsLetter, Email Marketing — fully self-hosted, dev-friendly, and free from monthly fees. Join the discord: https://discord.gg/asfXzBUhZr

This tool has an OSI-approved open-source license signal.

Multiple signals suggest declining health or reduced shipping momentum.

Source-visible projectEmail MarketingOSI-approved OSSScored Intelligence
Repository

GitHub Activity

Go
Billionmail/BillionMail
Stars15,369
Forks1,665
Watchers15,369
Open Issues223
Primary Language
Go
Last Commit
49 days ago
Releases 90d
0
Default Branch
dev
License
AGPL-3.0
Repository Status
Active repository
Evidence

Signal Quality

Data Confidence79/100Good
Source Coverage76/100Good
Publish Confidence78/100Good

ConfidenceHigh-confidence score from multiple public signals.

Zombie RiskNo meaningful zombie signal right now.

How ToolVitals scores work
Openness

License Evidence

Class
OSI-approved OSS
License
AGPL-3.0

This tool has an OSI-approved open-source license signal.

Sources

Tracked Sources

Websitehttps://billionmail.comGitHubBillionmail/BillionMailDiscordhttps://discord.gg/asfXzBUhZr
Profile

Classification

Category
Marketing
Use Case
Email Marketing
Openness
OSI-approved OSS
License
AGPL-3.0
Tool Mode
Source-visible project
Score Model
Open Source Maintenance
Score Visibility
Scored Intelligence
Status
Critical
Maintainers

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Next decisions

Useful paths from this profile

BillionMail
Dead checkIs BillionMail dead?

Get the direct dead/alive verdict from ToolVitals health, shipping, confidence, and decay signals.

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LeaderboardEmail Marketing rankings

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Research mentioning BillionMail
Email MarketingTop 24 Email Marketing Tools — July 2026Email MarketingTop 25 Email Marketing Tools — June 2026Email MarketingTop 32 Email Marketing Tools — May 2026
Tags
open-sourcedovecotemailemail-marketingmailmailservernewsletternewsletterspostfixrspamdserversmtpself-hosted

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