Topic

email

Repositories (1557)

novu
novu novuhq TypeScript

The open-source notification infrastructure. In-app Inbox component, E-mail, SMS, Push and Slack Integrations.

38.9k
erpnext
erpnext frappe Python

Free and Open Source Enterprise Resource Planning (ERP)

33.1k
awesome-falsehood
awesome-falsehood kdeldycke

😱 Falsehoods Programmers Believe in

27.3k
nylas-mail
nylas-mail nylas JavaScript

:love_letter: An extensible desktop mail app built on the modern web. Forks welcome!

24.8k
PHPMailer
PHPMailer PHPMailer PHP

The classic email sending library for PHP

22.1k
react-email
react-email resend TypeScript

💌 Build and send emails using React

18.9k
mjml
mjml mjmlio JavaScript

MJML: the only framework that makes responsive-email easy

18k
nodemailer
nodemailer nodemailer JavaScript

✉️ Send e-mails with Node.JS – easy as cake!

17.5k
Mailspring
Mailspring Foundry376 JavaScript

:love_letter: A beautiful, fast and fully open source mail client for Mac, Windows and Linux.

17.4k
mailinabox
mailinabox mail-in-a-box Python

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...

15.3k
BillionMail
BillionMail Billionmail Go

BillionMail gives you open-source MailServer, NewsLetter, Email Marketing — fully self-hosted, dev-friendly, and free from monthly fees. Join the dis...

14.4k
responsive-html-email-template
responsive-html-email-template leemunroe HTML

A free simple responsive HTML email template

13.7k
thunderbird-android
thunderbird-android thunderbird Kotlin

Thunderbird for Android – Open Source Email App for Android (fka K-9 Mail)

13.4k
logto
logto logto-io TypeScript

🧑‍🚀 Authentication and authorization infrastructure for SaaS and AI apps, built on OIDC and OAuth 2.1 with multi-tenancy, SSO, and RBAC.

11.9k
LKY_OfficeTools
LKY_OfficeTools OdysseusYuan C#

一键自动化 下载、安装、激活 Office 的利器。

11.7k
EmailValidator
EmailValidator egulias PHP

PHP Email address validator

11.6k
holehe
holehe megadose Python

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 pa...

10.7k
Zero
Zero Mail-0 TypeScript

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://mail...

10.5k
inbox-zero
inbox-zero elie222 TypeScript

The world's best AI personal assistant for email. Open source app to help you reach inbox zero fast.

10.5k
frappe
frappe frappe Python

Low code web framework for real world applications, in Python and Javascript

10k
swiftmailer
swiftmailer swiftmailer PHP

Comprehensive mailing tools for PHP

9.5k
check-if-email-exists
check-if-email-exists reacherhq Rust

Check if an email address exists without sending any email, written in Rust. Comes with a ⚙️ HTTP backend.

8.6k
cloudflare_temp_email
cloudflare_temp_email dreamhunter2333 TypeScript

CloudFlare free temp domain email 免费收发 临时域名邮箱 支持附件 IMAP SMTP TelegramBot

8.6k
alertmanager
alertmanager prometheus Go

Prometheus Alertmanager

8.4k
tutanota
tutanota tutao TypeScript

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.

7.5k
Mailu
Mailu Mailu Python

Insular email distribution - mail server as Docker images

7.2k
cloud-mail
cloud-mail maillab JavaScript

A Cloudflare-based email service | 基于 Cloudflare 的邮箱服务 | Cloudflare Email 邮箱 Mail

7k
MailKit
MailKit jstedfast C#

A cross-platform .NET library for IMAP, POP3, and SMTP.

6.8k
app
app simple-login Python

The SimpleLogin back-end and web app

6.6k
community-edition
community-edition ramboxapp JavaScript

Free and Open Source messaging and emailing app that combines common web applications into one.

6.4k
himalaya
himalaya pimalaya Rust

CLI to manage emails

6k
maddy
maddy foxcpp Go

✉️ Composable all-in-one mail server.

5.9k
mosint
mosint alpkeskin Go

An automated e-mail OSINT tool

5.8k
Cerberus
Cerberus emailmonday HTML

A few simple, but solid patterns for responsive HTML email templates and newsletters. Even in Outlook and Gmail.

5.1k
react-email-editor
react-email-editor unlayer TypeScript

Drag-n-Drop Email Editor Component for React.js

5.1k
disposable-email-domains
disposable-email-domains disposable-email-domains Python

a list of disposable email domains

5k
h8mail
h8mail khast3x Python

Email OSINT & Password breach hunting tool, locally or using premium services. Supports chasing down related email

5k
anonaddy
anonaddy anonaddy PHP

Anonymous email forwarding

4.6k
awesome-newsletters
awesome-newsletters zudochkin

A list of amazing Newsletters

4.4k
heml
heml SparkPost JavaScript

HEML is an open source markup language for building responsive email.

4.3k
FairEmail
FairEmail M66B Java

Fully featured, open source, privacy friendly email app for Android

4.3k
useSend
useSend usesend TypeScript

Open source alternative to Resend, Sendgrid, Postmark etc.

4.1k
CocoaDebug
CocoaDebug CocoaDebug Swift

iOS Debugging Tool 🚀

4.1k
message-pusher
message-pusher songquanpeng JavaScript

搭建专属于你的消息推送服务,支持多种消息推送方式,支持 Markdown,基于 Golang 仅单可执行文件,开箱即用

3.8k
mail-for-good
mail-for-good freeCodeCamp JavaScript

An open source email campaign management tool for nonprofits

3.8k
email-templates
email-templates forwardemail JavaScript

Create, preview (browser/iOS Simulator), and send custom email templates for Node.js. Made for @forwardemail, @ladjs, @cabinjs, @spamscanner, and @br...

3.7k
notify
notify nikoksr Go

A dead simple Go library for sending notifications to various messaging services.

3.7k
neomutt
neomutt neomutt C

✉️ Teaching an Old Dog New Tricks -- IRC: #neomutt on irc.libera.chat

3.7k
modoboa
modoboa modoboa Python

Mail hosting made simple

3.5k
Papercut-SMTP
Papercut-SMTP ChangemakerStudios C#

Papercut SMTP -- The Simple Desktop Email Server

3.3k