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matcornic/hermes

Golang package that generates clean, responsive HTML e-mails for sending transactional mail observed · 2026-08-28

github.com/matcornic/hermes · Go · Apache-2.0 (permissive) observed · 2026-08-28

Health v2 · maintenance only

29/100

  • Activity 14
  • Release rhythm 8
  • Longevity 100
How is this computed?

round(0.45*activity + 0.35*rhythm + 0.20*longevity); archived -> min(score, 10) — computed 2026-09-03. Adoption (stars, forks) is never an input.

  • gap_med: n/a
  • age_days: 3448
  • days_rel: 516
  • days_push: 516
  • n_releases_24m: 1

Full methodology

Adoption not part of the score

3024 stars · 248 forks observed · 2026-08-28

What it is AI-extracted, prompt v1, taxonomy v1, 2026-08-29, confidence not recorded

Hermes is a Go package that generates clean, responsive HTML emails for transactional mail such as welcome, password-reset, and receipt emails, with plain-text fallbacks. It is a Go port of the Node.js mailgen engine and supports configurable themes and product branding.

Use cases

  • generate transactional email html in go
  • send welcome and password reset emails with nice templates
  • responsive html email templates for receipts
  • plain text fallback for html emails
  • branded email templates for a go application

When to choose

  • you build a Go backend that sends transactional emails
  • you want prebuilt responsive email themes without hand-writing HTML
  • you need both HTML and plain-text versions of an email

When to avoid

  • you need to actually send emails over SMTP - Hermes only generates the content
  • your stack is Node.js, where the original mailgen may fit better
  • you need highly custom, pixel-perfect email designs beyond the provided themes

Facets

library · maturity active

templating email email web-development backend go cross-platform email-templates transactional-email html-email responsive-email mailgen

1 source

Member repositories

RepositoryRoleHealth v2
matcornic/hermesmain29

For agents

markdown · JSON · MCP: product_card(name="matcornic/hermes")

Data as of 2026-08-30T08:39:29.467469+00:00 · Report a problem