#1
A cross-platform .NET library for IMAP, POP3, and SMTP.
6.8K starsJun 12, 2026 pushproductivity-automationC#Email
$ npx skills add jstedfast/MailKitAlternatives
MimeKit alternatives for AI agents.
Compare similar skills by workflow fit, trust score, quality, GitHub adoption, maintenance, and install readiness.
Current skill
MimeKit
A .NET MIME creation and parser library with support for S/MIME, PGP, DKIM, TNEF and Unix mbox spools.
100
Quality
95
Trust
2.0K
Stars
#2
✉️ Teaching an Old Dog New Tricks -- IRC: #neomutt on irc.libera.chat
3.7K starsJun 15, 2026 pushproductivity-automationCEmail
$ npx skills add neomutt/neomutt#3
✉️ Composable all-in-one mail server.
6.0K starsMay 26, 2026 pushproductivity-automationGoEmail
$ npx skills add foxcpp/maddy#4
Insular email distribution - mail server as Docker images
7.3K starsMay 31, 2026 pushproductivity-automationPythonEmail
$ npx skills add Mailu/Mailu#5
CLI to manage emails
6.4K starsJun 12, 2026 pushproductivity-automationRustEmail
$ npx skills add pimalaya/himalaya#6
Anonymous email forwarding
4.7K starsMay 28, 2026 pushproductivity-automationPHPEmail
$ npx skills add anonaddy/anonaddy#7
MIME mail encoding and decoding package for Go
517 starsJun 7, 2026 pushproductivity-automationGoEmail
$ npx skills add jhillyerd/enmime#8
Simple API, Complex Emails (Jakarta Mail smtp wrapper)
1.3K starsJun 5, 2026 pushproductivity-automationJavaEmail
$ npx skills add bbottema/simple-java-mail#9
The Official Twilio SendGrid C#, .NetStandard, .NetCore API Library
1.1K starsJul 23, 2024 pushproductivity-automationC#Email
$ npx skills add sendgrid/sendgrid-csharp#10
Papercut SMTP -- The Simple Desktop Email Server
3.3K starsApr 6, 2026 pushproductivity-automationC#Email
$ npx skills add ChangemakerStudios/Papercut-SMTP#11
The classic email sending library for PHP
22K starsJun 6, 2026 pushproductivity-automationPHPEmail
$ npx skills add PHPMailer/PHPMailer#12
Email parser for browser and serverless environments
530 starsMar 17, 2026 pushproductivity-automationJavaScriptEmail
$ npx skills add postalsys/postal-mime#13
The open-source communication infrastructure for agents and products
39K starsJun 16, 2026 pushproductivity-automationTypeScriptEmail
$ npx skills add novuhq/novu#14
: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#15
一键自动化 下载、安装、激活 Office 的利器。
12K starsFeb 22, 2024 pushproductivity-automationC#Email
$ npx skills add OdysseusYuan/LKY_OfficeTools#16
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/mailinaboxHow 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 MimeKit 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.