#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
Bichon alternatives for AI agents.
Compare similar skills by workflow fit, trust score, quality, GitHub adoption, maintenance, and install readiness.
Current skill
Bichon
Bichon – A lightweight, high-performance Rust email archiver with WebUI
100
Quality
92
Trust
1.8K
Stars
#2
✉️ Composable all-in-one mail server.
6.0K starsMay 26, 2026 pushproductivity-automationGoEmail
$ npx skills add foxcpp/maddy#3
✉️ Teaching an Old Dog New Tricks -- IRC: #neomutt on irc.libera.chat
3.7K starsJun 15, 2026 pushproductivity-automationCEmail
$ npx skills add neomutt/neomutt#4
An IMAP/POP/SMTP proxy that transparently adds OAuth 2.0 authentication for email clients that don't support this method. Keep legacy email clients working with Exchange Online, Gmail and other providers.
1.4K starsApr 21, 2026 pushproductivity-automationPythonEmail
$ npx skills add simonrob/email-oauth2-proxy#5
Dovecot mail server
1.2K starsJun 12, 2026 pushproductivity-automationCEmail
$ npx skills add dovecot/core#6
Decentralized private messenger with chat-shared tools and games for Desktop
1.5K starsJun 16, 2026 pushproductivity-automationTypeScriptEmail
$ npx skills add deltachat/deltachat-desktop#7
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#8
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#9
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#10
The open-source communication infrastructure for agents and products
39K starsJun 16, 2026 pushproductivity-automationTypeScriptEmail
$ npx skills add novuhq/novu#11
terminal mail client, mirror of https://git.meli-email.org/meli/meli.git https://crates.io/crates/meli
868 starsJun 12, 2026 pushproductivity-automationRustEmail
$ npx skills add meli/meli#12
A cross-platform .NET library for IMAP, POP3, and SMTP.
6.8K starsJun 12, 2026 pushproductivity-automationC#Email
$ npx skills add jstedfast/MailKit#13
💌 Build and send emails using React
19K starsJun 12, 2026 pushproductivity-automationTypeScriptEmail
$ npx skills add resend/react-email#14
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#15
Insular email distribution - mail server as Docker images
7.3K starsMay 31, 2026 pushproductivity-automationPythonEmail
$ npx skills add Mailu/Mailu#16
CLI to manage emails
6.4K starsJun 12, 2026 pushproductivity-automationRustEmail
$ npx skills add pimalaya/himalayaHow 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 Bichon 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.