#1
Fully featured, open source, privacy friendly email app for Android
4.4K starsJun 15, 2026 pushproductivity-automationJavaEmail
$ npx skills add M66B/FairEmailAlternatives
Deltachat Android alternatives for AI agents.
Compare similar skills by workflow fit, trust score, quality, GitHub adoption, maintenance, and install readiness.
Current skill
Deltachat Android
Decentralized private messenger with chat-shared tools and games for Android
100
Quality
92
Trust
1.7K
Stars
#2
Thunderbird for Android – Open Source Email App for Android (fka K-9 Mail)
14K starsJun 16, 2026 pushproductivity-automationKotlinEmail
$ npx skills add thunderbird/thunderbird-android#3
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#4
💌 Build and send emails using React
19K starsJun 12, 2026 pushproductivity-automationTypeScriptEmail
$ npx skills add resend/react-email#5
MJML: the only framework that makes responsive-email easy
18K starsJun 12, 2026 pushproductivity-automationJavaScriptEmail
$ npx skills add mjmlio/mjml#6
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#7
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#8
✉️ Send e-mails with Node.JS – easy as cake!
18K starsJun 15, 2026 pushproductivity-automationJavaScriptEmail
$ npx skills add nodemailer/nodemailer#9
CloudFlare free temp domain email 免费收发 临时域名邮箱 支持附件 IMAP SMTP TelegramBot
10.0K starsJun 13, 2026 pushproductivity-automationTypeScriptEmail
$ npx skills add dreamhunter2333/cloudflare_temp_email#10
The SimpleLogin back-end and web app
6.7K starsJun 12, 2026 pushproductivity-automationPythonEmail
$ npx skills add simple-login/app#11
Chatmail Rust Core library, used by Android/iOS/desktop chatmail apps, bindings and bots 📧
900 starsJun 16, 2026 pushproductivity-automationRustEmail
$ npx skills add chatmail/core#12
Anonymous email forwarding
4.7K starsMay 28, 2026 pushproductivity-automationPHPEmail
$ npx skills add anonaddy/anonaddy#13
A cute temporary email service built with NextJS + Cloudflare technology stack 🎉 | 一个基于 NextJS + Cloudflare 技术栈构建的可爱临时邮箱服务🎉
2.6K starsJun 16, 2026 pushproductivity-automationTypeScriptEmail
$ npx skills add beilunyang/moemail#14
RecyclerView? ListView or ViewGroup? No, it's Canvas! Ultra performance and free customization interface! Vertical and horizontal, Fast rendering and extremely low memory. Android上一个优雅、万能自定义UI、仿iOS、自定义动画，支持垂直、水平方向切换、支持周视图、自定义周起始、性能高效的日历控件，热插拔实现UI定制！Canvas绘制，渲染速度快、占用内存低，你真的想不到日历居然还可以如此优雅。
9.4K starsDec 4, 2025 pushproductivity-automationJavaCalendar
$ npx skills add huanghaibin-dev/CalendarView#15
Juice inlines CSS stylesheets into your HTML source.
3.3K starsJun 15, 2026 pushproductivity-automationJavaScriptEmail
$ npx skills add Automattic/juice#16
The Official Twilio SendGrid Led, Community Driven Node.js API Library
3.1K starsMay 31, 2026 pushproductivity-automationJavaScriptEmail
$ npx skills add sendgrid/sendgrid-nodejsHow 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 Deltachat Android 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.