#1
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-mailAlternatives
Action Send Mail alternatives for AI agents.
Compare similar skills by workflow fit, trust score, quality, GitHub adoption, maintenance, and install readiness.
Current skill
Action Send Mail
:gear: A GitHub Action to send an email to multiple recipients
85
Quality
86
Trust
587
Stars
#2
: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#3
MJML: the only framework that makes responsive-email easy
18K starsJun 12, 2026 pushproductivity-automationJavaScriptEmail
$ npx skills add mjmlio/mjml#4
✉️ Send e-mails with Node.JS – easy as cake!
18K starsJun 15, 2026 pushproductivity-automationJavaScriptEmail
$ npx skills add nodemailer/nodemailer#5
Juice inlines CSS stylesheets into your HTML source.
3.3K starsJun 15, 2026 pushproductivity-automationJavaScriptEmail
$ npx skills add Automattic/juice#6
The Official Twilio SendGrid Led, Community Driven Node.js API Library
3.1K starsMay 31, 2026 pushproductivity-automationJavaScriptEmail
$ npx skills add sendgrid/sendgrid-nodejs#7
JavaScript plugin for finding links in plain-text and converting them to HTML <a> tags.
2.0K starsJun 15, 2026 pushproductivity-automationJavaScriptEmail
$ npx skills add nfrasser/linkifyjs#8
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#9
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#10
Advanced html to text converter
1.8K starsMay 2, 2026 pushproductivity-automationJavaScriptEmail
$ npx skills add html-to-text/node-html-to-text#11
Low code web framework for real world applications, in Python and Javascript
10K starsJun 16, 2026 pushproductivity-automationPythonEmail
$ npx skills add frappe/frappe#12
Tuta is an email service with a strong focus on security and privacy that lets you encrypt emails, contacts and calendar entries on all your devices.
7.7K starsJun 16, 2026 pushproductivity-automationTypeScriptEmail
$ npx skills add tutao/tutanota#13
✉️ Composable all-in-one mail server.
6.0K starsMay 26, 2026 pushproductivity-automationGoEmail
$ npx skills add foxcpp/maddy#14
Upyo is a simple and cross-runtime library for sending email messages using SMTP and various email providers. It works on Node.js, Deno, Bun, and edge functions.
521 starsMay 18, 2026 pushproductivity-automationTypeScriptEmail
$ npx skills add dahlia/upyo#15
Mail hosting made simple
3.5K starsJun 15, 2026 pushproductivity-automationPythonEmail
$ npx skills add modoboa/modoboa#16
HEML is an open source markup language for building responsive email.
4.3K starsFeb 9, 2020 pushproductivity-automationJavaScriptEmail
$ npx skills add SparkPost/hemlHow 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 Action Send 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.