There are 8151 repositories under email topic.
novuhq/novu
The open-source notification Inbox infrastructure. E-mail, SMS, Push and Slack Integrations.
kdeldycke/awesome-falsehood
😱 Falsehoods Programmers Believe in
nylas/nylas-mail
:love_letter: An extensible desktop mail app built on the modern web. Forks welcome!
PHPMailer/PHPMailer
The classic email sending library for PHP
mjmlio/mjml
MJML: the only framework that makes responsive-email easy
nodemailer/nodemailer
✉️ Send e-mails with Node.JS – easy as cake!
Foundry376/Mailspring
:love_letter: A beautiful, fast and fully open source mail client for Mac, Windows and Linux.
mail-in-a-box/mailinabox
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.
leemunroe/responsive-html-email-template
A free simple responsive HTML email template
thunderbird/thunderbird-android
Thunderbird for Android – Open Source Email App for Android (fka K-9 Mail)
egulias/EmailValidator
PHP Email address validator
logto-io/logto
🧑🚀 Authentication and authorization infrastructure for SaaS and AI apps, built on OIDC and OAuth 2.1 with multi-tenancy, SSO, and RBAC.
aaPanel/BillionMail
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
OdysseusYuan/LKY_OfficeTools
一键自动化 下载、安装、激活 Office 的利器。
Mail-0/Zero
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
swiftmailer/swiftmailer
Comprehensive mailing tools for PHP
megadose/holehe
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.
frappe/frappe
Low code web framework for real world applications, in Python and Javascript
elie222/inbox-zero
The world's best AI personal assistant for email. Open source app to help you reach inbox zero fast.
prometheus/alertmanager
Prometheus Alertmanager
tutao/tutanota
Tuta is an email service with a strong focus on security and privacy that lets you encrypt emails, contacts and calendar entries on all your devices.
Mailu/Mailu
Insular email distribution - mail server as Docker images
jstedfast/MailKit
A cross-platform .NET library for IMAP, POP3, and SMTP.
ramboxapp/community-edition
Free and Open Source messaging and emailing app that combines common web applications into one.
simple-login/app
The SimpleLogin back-end and web app
foxcpp/maddy
✉️ Composable all-in-one mail server.
alpkeskin/mosint
An automated e-mail OSINT tool
emailmonday/Cerberus
A few simple, but solid patterns for responsive HTML email templates and newsletters. Even in Outlook and Gmail.
pimalaya/himalaya
CLI to manage emails
unlayer/react-email-editor
Drag-n-Drop Email Editor Component for React.js
khast3x/h8mail
Email OSINT & Password breach hunting tool, locally or using premium services. Supports chasing down related email
reacherhq/check-if-email-exists
Check if an email address exists without sending any email, written in Rust. Comes with a ⚙️ HTTP backend.
dreamhunter2333/cloudflare_temp_email
CloudFlare free temp domain email 免费收发 临时域名邮箱 支持附件 IMAP SMTP TelegramBot
disposable-email-domains/disposable-email-domains
a list of disposable email domains
SparkPost/heml
HEML is an open source markup language for building responsive email.
zudochkin/awesome-newsletters
A list of amazing Newsletters