Alternatives

Go Mail alternatives for AI agents.

Compare similar skills by workflow fit, trust score, quality, GitHub adoption, maintenance, and install readiness.

Current skill

Go Mail

๐Ÿ“ง Easy to use, yet comprehensive library for sending mails with Go

100
Quality
92
Trust
1.4K
Stars
#1

Notify

Similarity 146Trust 95Excellent 100

A dead simple Go library for sending notifications to various messaging services.

3.7K starsJun 15, 2026 pushproductivity-automationGoEmail
$ npx skills add nikoksr/notify
#2

Maddy

Similarity 139Trust 94Excellent 100

โœ‰๏ธ Composable all-in-one mail server.

6.0K starsMay 26, 2026 pushproductivity-automationGoEmail
$ npx skills add foxcpp/maddy
#3

Enmime

Similarity 138Trust 86Strong 84

MIME mail encoding and decoding package for Go

517 starsJun 7, 2026 pushproductivity-automationGoEmail
$ npx skills add jhillyerd/enmime
#4

BillionMail

Similarity 133Trust 98Excellent 100

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

15K starsJun 11, 2026 pushproductivity-automationGoEmail
$ npx skills add Billionmail/BillionMail
#5

Go Simple Mail

Similarity 132Trust 80Promising 55

Golang package for send email. Support keep alive connection, TLS and SSL. Easy for bulk SMTP.

695 starsJul 20, 2024 pushproductivity-automationGoEmail
$ npx skills add xhit/go-simple-mail
#6

Alertmanager

Similarity 131Trust 94Excellent 100

Prometheus Alertmanager

8.5K starsJun 16, 2026 pushproductivity-automationGoEmail
$ npx skills add prometheus/alertmanager
#7

Sendgrid Go

Similarity 131Trust 86Strong 84

The Official Twilio SendGrid Golang API Library

1.1K starsAug 18, 2025 pushproductivity-automationGoEmail
$ npx skills add sendgrid/sendgrid-go
#8

Notifuse

Similarity 127Trust 87Excellent 99

Notifuse is an open-source & modern emailing platform

2.0K starsJun 15, 2026 pushproductivity-automationGoEmail
$ npx skills add Notifuse/notifuse
#9

PHPMailer

Similarity 127Trust 96Excellent 100

The classic email sending library for PHP

22K starsJun 6, 2026 pushproductivity-automationPHPEmail
$ npx skills add PHPMailer/PHPMailer
#10

Mailspring

Similarity 127Trust 98Excellent 100

:love_letter: A beautiful, fast and fully open source mail client for Mac, Windows and Linux.

18K starsJun 15, 2026 pushproductivity-automationJavaScriptEmail
$ npx skills add Foundry376/Mailspring
#11

Mailinabox

Similarity 127Trust 98Excellent 100

Mail-in-a-Box helps individuals take back control of their email by defining a one-click, easy-to-deploy SMTP+everything else server: a mail server in a box.

15K starsMay 24, 2026 pushproductivity-automationPythonEmail
$ npx skills add mail-in-a-box/mailinabox
#12

React Email

Similarity 127Trust 95Excellent 100

๐Ÿ’Œ Build and send emails using React

19K starsJun 12, 2026 pushproductivity-automationTypeScriptEmail
$ npx skills add resend/react-email
#13

Email Verifier

Similarity 127Trust 91Excellent 93

:white_check_mark: A Go library for email verification without sending any emails.

1.6K starsFeb 26, 2026 pushproductivity-automationGoEmail
$ npx skills add AfterShip/email-verifier
#14

Cloud Mail

Similarity 127Trust 98Excellent 100

A Cloudflare-based email service | ๅŸบไบŽ Cloudflare ็š„้‚ฎ็ฎฑๆœๅŠก | Cloudflare Email ้‚ฎ็ฎฑ Mail

11K starsJun 9, 2026 pushproductivity-automationJavaScriptEmail
$ npx skills add maillab/cloud-mail
#15

App

Similarity 125Trust 94Excellent 100

The SimpleLogin back-end and web app

6.7K starsJun 12, 2026 pushproductivity-automationPythonEmail
$ npx skills add simple-login/app
#16

Php Mime Mail Parser

Similarity 124Trust 84Strong 81

A fully tested email parser for PHP 8.0+ (mailparse extension wrapper).

992 starsMay 14, 2026 pushproductivity-automationPHPEmail
$ npx skills add php-mime-mail-parser/php-mime-mail-parser

How to choose

When should you switch?

Use an alternative when it has a clearer install path, higher trust score, fresher maintenance, or better platform fit for your current agent stack. Keep Go Mail if it already passes your workflow test and repository review.

Next step

Compare top candidates side by side

Open the compare page, test the install commands in a sandbox, and check each repository before using a skill in production.