#1
: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/MailspringAlternatives
Message Pusher alternatives for AI agents.
Compare similar skills by workflow fit, trust score, quality, GitHub adoption, maintenance, and install readiness.
Current skill
Message Pusher
搭建专属于你的消息推送服务，支持多种消息推送方式，支持 Markdown，基于 Golang 仅单可执行文件，开箱即用
89
Quality
88
Trust
3.9K
Stars
#2
MJML: the only framework that makes responsive-email easy
18K starsJun 12, 2026 pushproductivity-automationJavaScriptEmail
$ npx skills add mjmlio/mjml#3
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#4
✉️ Send e-mails with Node.JS – easy as cake!
18K starsJun 15, 2026 pushproductivity-automationJavaScriptEmail
$ npx skills add nodemailer/nodemailer#5
A dead simple Go library for sending notifications to various messaging services.
3.7K starsJun 15, 2026 pushproductivity-automationGoEmail
$ npx skills add nikoksr/notify#6
Juice inlines CSS stylesheets into your HTML source.
3.3K starsJun 15, 2026 pushproductivity-automationJavaScriptEmail
$ npx skills add Automattic/juice#7
The Official Twilio SendGrid Led, Community Driven Node.js API Library
3.1K starsMay 31, 2026 pushproductivity-automationJavaScriptEmail
$ npx skills add sendgrid/sendgrid-nodejs#8
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#9
The classic email sending library for PHP
22K starsJun 6, 2026 pushproductivity-automationPHPEmail
$ npx skills add PHPMailer/PHPMailer#10
The open-source communication infrastructure for agents and products
39K starsJun 16, 2026 pushproductivity-automationTypeScriptEmail
$ npx skills add novuhq/novu#11
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
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#13
Wavebox, the revolutionary and feature-rich Chromium browser that's built for productive working across Google Workspaces, Microsoft Teams, ClickUp, Monday, Atlassian, Asana, AirTable, Slack, and every other web app you use to get work done.
1.4K starsJun 15, 2026 pushproductivity-automationJavaScriptEmail
$ npx skills add wavebox/waveboxapp#14
💌 Build and send emails using React
19K starsJun 12, 2026 pushproductivity-automationTypeScriptEmail
$ npx skills add resend/react-email#15
Experience email the way you want with Mail0 – the first open source email app that puts your privacy and safety first. Join the discord: https://mail0.link/discord
11K starsMay 26, 2026 pushproductivity-automationTypeScriptEmail
$ npx skills add Mail-0/Zero#16
Thunderbird for Android – Open Source Email App for Android (fka K-9 Mail)
14K starsJun 16, 2026 pushproductivity-automationKotlinEmail
$ npx skills add thunderbird/thunderbird-androidHow 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 Message Pusher 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.