Alternatives

Enmime alternatives for AI agents.

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

Current skill

Enmime

MIME mail encoding and decoding package for Go

84
Quality
86
Trust
517
Stars
#1

Go Mail

Similarity 144Trust 92Excellent 100

📧 Easy to use, yet comprehensive library for sending mails with Go

1.4K starsJun 15, 2026 pushproductivity-automationGoEmail
$ npx skills add wneessen/go-mail
#2

Maddy

Similarity 139Trust 94Excellent 100

✉️ Composable all-in-one mail server.

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

Notify

Similarity 138Trust 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
#4

BillionMail

Similarity 133Trust 98Excellent 100

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

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

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
#7

Neomutt

Similarity 131Trust 89Excellent 100

✉️ Teaching an Old Dog New Tricks -- IRC: #neomutt on irc.libera.chat

3.7K starsJun 15, 2026 pushproductivity-automationCEmail
$ npx skills add neomutt/neomutt
#8

MimeKit

Similarity 131Trust 95Excellent 100

A .NET MIME creation and parser library with support for S/MIME, PGP, DKIM, TNEF and Unix mbox spools.

2.0K starsJun 15, 2026 pushproductivity-automationC#Email
$ npx skills add jstedfast/MimeKit
#9

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
#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

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
#13

Cloud Mail

Similarity 127Trust 98Excellent 100

A Cloudflare-based email service | 基于 Cloudflare 的邮箱服务 | Cloudflare Email 邮箱 Mail

11K starsJun 9, 2026 pushproductivity-automationJavaScriptEmail
$ npx skills add maillab/cloud-mail
#14

MailKit

Similarity 125Trust 94Excellent 100

A cross-platform .NET library for IMAP, POP3, and SMTP.

6.8K starsJun 12, 2026 pushproductivity-automationC#Email
$ npx skills add jstedfast/MailKit
#15

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
#16

Alertmanager

Similarity 123Trust 94Excellent 100

Prometheus Alertmanager

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

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 Enmime 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.