21 repositories with 10k+ stars are tagged email.
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The open-source communication infrastructure for agents and products
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nylas/nylas-mailArchived:love_letter: An extensible desktop mail app built on the modern web. Forks welcome!
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:love_letter: A beautiful, fast and fully open source mail client for Mac, Windows and Linux.
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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
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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.
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holehe allows you to check if the mail is used on different sites like twitter, instagram and will retrieve information on sites with the forgotten password function.
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A Cloudflare-based email service | 基于 Cloudflare 的邮箱服务 | Cloudflare Email 邮箱 Mail
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🧑🚀 Authentication and authorization infrastructure for SaaS and AI apps, built on OIDC and OAuth 2.1 with multi-tenancy, SSO, and RBAC.
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Thunderbird for Android – Open Source Email App for Android (fka K-9 Mail)
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A free simple responsive HTML email template
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The world's best AI personal assistant for email. Open source app to help you reach inbox zero fast.
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CloudFlare free temp domain email 免费收发 临时域名邮箱 支持附件 IMAP SMTP TelegramBot
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Low code web framework for real world applications, in Python and Javascript
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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
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Check if an email address exists without sending any email, written in Rust. Comes with a ⚙️ HTTP backend.