Awesome Open Source
Awesome Open Source
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The Top 285 Email Open Source Projects
Categories
>
Messaging
>
Email
Nylas Mail
⭐
24,579
💌 An extensible desktop mail app built on the modern web. Forks welcome!
Phpmailer
⭐
16,057
The classic email sending library for PHP
Awesome Falsehood
⭐
15,194
😱 Falsehoods Programmers Believe in
Nodemailer
⭐
13,388
✉️ Send e-mails with Node.JS – easy as cake!
Mjml
⭐
11,528
MJML: the only framework that makes responsive-email easy
Responsive Html Email Template
⭐
9,831
A free simple responsive HTML email template
Mailinabox
⭐
9,809
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.
Mailspring
⭐
9,773
💌 A beautiful, fast and maintained fork of @Nylas Mail by one of the original authors.
Emailvalidator
⭐
9,734
PHP Email address validator
Swiftmailer
⭐
9,258
Comprehensive mailing tools for PHP
Community Edition
⭐
5,733
Free and Open Source messaging and emailing app that combines common web applications into one.
K 9
⭐
5,402
K-9 Mail – Open Source Email App for Android
Heml
⭐
4,211
HEML is an open source markup language for building responsive email.
Cerberus
⭐
4,123
A few simple, but solid patterns for responsive HTML email templates and newsletters. Even in Outlook and Gmail.
Mailkit
⭐
3,827
A cross-platform .NET library for IMAP, POP3, and SMTP.
Mail For Good
⭐
3,808
An open source email campaign management tool for nonprofits
Alertmanager
⭐
3,720
Prometheus Alertmanager
Tutanota
⭐
3,707
Tutanota is an email client with a strong focus on security and privacy that lets you encrypt emails on all your devices.
Email Templates
⭐
3,020
📫 Create, preview, and send custom email templates for Node.js. Highly configurable and supports automatic inline CSS, stylesheets, embedded images and fonts, and much more!
Grunt Email Workflow
⭐
2,970
A Grunt workflow for designing and testing responsive HTML email templates with SCSS.
Juice
⭐
2,467
Juice inlines CSS stylesheets into your HTML source.
React Email Editor
⭐
2,453
Drag-n-Drop Email Editor Component for React.js
Mailu
⭐
2,440
Insular email distribution - mail server as Docker images
Papercups
⭐
2,434
Open-source live customer chat
Learn To Send Email Via Google Script Html No Server
⭐
2,418
✉️ An Example of using an HTML form (e.g: "Contact Us" on a website) to send Email without a Backend Server (using a Google Script) perfect for static websites that need to collect data.
Sendgrid Nodejs
⭐
2,268
The Official Twilio SendGrid Led, Community Driven Node.js API Library
Hermes
⭐
2,154
Golang package that generates clean, responsive HTML e-mails for sending transactional mail
Wmail
⭐
2,095
The missing desktop client for Gmail & Google Inbox
Awesome Newsletters
⭐
2,056
A list of amazing Newsletters
Frappe
⭐
2,030
Low Code Open Source Framework in Python and JS
Yagmail
⭐
1,942
Send email in Python conveniently for gmail using yagmail
0x4447_product_s3_email
⭐
1,807
📫 A serverless email server on AWS using S3 and SES
Notifme Sdk
⭐
1,790
A Node.js library to send all kinds of transactional notifications.
Free Email Forwarding
⭐
1,768
The best free email forwarding for custom domains. Visit our website to get started (SMTP server)
Modoboa
⭐
1,718
Mail hosting made simple
Papercut Smtp
⭐
1,712
Papercut SMTP -- The Simple Desktop Email Server
Magma
⭐
1,688
The magma server daemon, is an encrypted email system with support for SMTP, POP, IMAP, HTTP and MOLTEN,. Additional support for DMTP and DMAP is currently in active development.
Striker
⭐
1,666
Striker is an offensive information and vulnerability scanner.
Fairemail
⭐
1,569
Fully featured, open source, privacy friendly email app for Android
Bamboo
⭐
1,549
Testable, composable, and adapter based Elixir email library for devs that love piping.
H8mail
⭐
1,477
Email OSINT & Password breach hunting tool, locally or using premium services. Supports chasing down related email
Fluentemail
⭐
1,395
.NET Core email sending
Mosaico
⭐
1,369
Mosaico - Responsive Email Template Editor
Rspamd
⭐
1,366
Rapid spam filtering system.
Premailer Rails
⭐
1,361
CSS styled emails without the hassle.
Awesome Emails
⭐
1,330
✉️ An awesome list of resources to build better emails.
Aws Lambda Ses Forwarder
⭐
1,263
Serverless email forwarding using AWS Lambda and SES
Mailchecker
⭐
1,238
📫 Cross-language temporary (disposable/throwaway) email detection library. Covers 33600 fake email providers.
Sendgrid Php
⭐
1,231
The Official Twilio SendGrid Led, Community Driven PHP API Library
Mimekit
⭐
1,192
A .NET MIME creation and parser library with support for S/MIME, PGP, DKIM, TNEF and Unix mbox spools.
Waveboxapp
⭐
1,189
Wavebox Classic has been updated to Wavebox 10. Learn more Wavebox.io
Sendgrid Python
⭐
1,084
The Official Twilio SendGrid Led, Community Driven Python API Library
Django Anymail
⭐
1,069
Django email backends and webhooks for Amazon SES, Mailgun, Mailjet, Postmark, SendGrid, Sendinblue, SparkPost and more
Brazilian Utils
⭐
978
Utils library for specific Brazilian businesses
Cuttlefish
⭐
956
Transactional email server with a lovely web interface
Fiercephish
⭐
941
FiercePhish is a full-fledged phishing framework to manage all phishing engagements. It allows you to track separate phishing campaigns, schedule sending of emails, and much more.
Trumail
⭐
929
✉️ ✅ A Fast and Free Email Verification API written in Go
Mysigmail
⭐
913
UI Email Signature Generator - Make easy to create your email signature
Beautymail
⭐
906
Send beautiful HTML emails with Laravel
Anonaddy
⭐
905
Anonymous email forwarding
Swoosh
⭐
886
Compose, deliver and test your emails easily in Elixir
Bojler
⭐
875
Bojler is an email framework
Node Html To Text
⭐
855
Advanced html to text converter
Disposable Email Domains
⭐
852
a list of disposable and temporary email address domains
App
⭐
852
The SimpleLogin back-end
Hawkpost
⭐
822
Generate links that users can use to submit messages encrypted with your public key.
Sendgrid Csharp
⭐
820
The Official Twilio SendGrid Led, Community Driven C#, .NetStandard, .NetCore API Library
Kanmail
⭐
819
📥 An email client that functions like a kanban board.
Dank Selfhosted
⭐
794
Automated solution for hosting email, web, DNS, XMPP, and ZNC on OpenBSD.
Sup
⭐
776
A curses threads-with-tags style email client (mailing list:
[email protected]
)
Bootstrap Email
⭐
733
Bootstrap 4 (and soon 5) stylesheet, compiler, and inliner for responsive and consistent emails with the Bootstrap syntax you know and love.
Sendgrid Go
⭐
699
The Official Twilio SendGrid Led, Community Driven Golang API Library
Truemail
⭐
692
🚀 Configurable framework agnostic plain Ruby 📨 email validator/verifier. Verify email via Regex, DNS and SMTP. Be sure that email address valid and exists.
Python O365
⭐
687
A simple python library to interact with Microsoft Graph and Office 365 API
Memacs
⭐
680
What did I do on February 14th 2007? Visualize your (digital) life in Org-mode
Php Mime Mail Parser
⭐
666
A fully tested email parser for PHP 7.2+ (mailparse extension wrapper).
Imap
⭐
663
Object-oriented, fully tested PHP IMAP library
Lettre
⭐
649
a mailer library for Rust
Deltachat Android
⭐
641
Email-based instant messaging for Android.
Oh My Email
⭐
599
📪 可能是最小的 Java 邮件发送库了,支持抄送、附件、模板等功能。
Teemo
⭐
576
A Domain Name & Email Address Collection Tool
Alot
⭐
566
Terminal-based Mail User Agent
Mailer
⭐
553
The Mailer component helps sending emails
Exim
⭐
530
Exim Mail Transport Agent - source, testsuite and documentation
Core
⭐
520
Dovecot mail server
Responsive Html Email Signature
⭐
515
Template generator for (responsive) emails & email signatures ✨
Thunderbird Conversations
⭐
506
An extension for Thunderbird that allows you to view threads as "real" conversations, including your own emails. This extension also adds a bunch of useful UI features in the conversation view.
Socialscan
⭐
504
Python library and CLI for accurately querying username and email usage on online platforms
Letter_opener_web
⭐
502
A web interface for browsing Ruby on Rails sent emails
Sendgrid Ruby
⭐
502
The Official Twilio SendGrid Led, Community Driven Ruby API Library
Premailer.net
⭐
494
C# library that moves your stylesheets to inline style attributes, for maximum compatibility with E-mail clients.
Aerc
⭐
483
Asynchronous email client for your terminal
Mfcmapi
⭐
476
MFCMAPI
Nylas Mail
⭐
471
💌 An extensible desktop mail app built on the modern web.
Salmon
⭐
469
A Python Mail Server
Glass Isc Dhcp
⭐
467
Glass - ISC DHCP Server Interface
Astroid
⭐
464
A graphical threads-with-tags style, lightweight and fast, e-mail client for Notmuch
Deltachat Desktop
⭐
464
Email-based instant messaging for Desktop.
Check If Email Exists
⭐
450
Check if an email address exists without sending any email, written in Rust.
Gatsby Mail
⭐
446
A Gatsby email *application*
1-100 of 285 projects
Next >
Advertising
📦 10
All Projects
Application Programming Interfaces
📦 124
Applications
📦 192
Artificial Intelligence
📦 78
Blockchain
📦 73
Build Tools
📦 113
Cloud Computing
📦 80
Code Quality
📦 28
Collaboration
📦 32
Command Line Interface
📦 49
Community
📦 83
Companies
📦 60
Compilers
📦 63
Computer Science
📦 80
Configuration Management
📦 42
Content Management
📦 175
Control Flow
📦 213
Data Formats
📦 78
Data Processing
📦 276
Data Storage
📦 135
Economics
📦 64
Frameworks
📦 215
Games
📦 129
Graphics
📦 110
Hardware
📦 152
Integrated Development Environments
📦 49
Learning Resources
📦 166
Legal
📦 29
Libraries
📦 129
Lists Of Projects
📦 22
Machine Learning
📦 347
Mapping
📦 64
Marketing
📦 15
Mathematics
📦 55
Media
📦 239
Messaging
📦 98
Networking
📦 315
Operating Systems
📦 89
Operations
📦 121
Package Managers
📦 55
Programming Languages
📦 245
Runtime Environments
📦 100
Science
📦 42
Security
📦 396
Social Media
📦 27
Software Architecture
📦 72
Software Development
📦 72
Software Performance
📦 58
Software Quality
📦 133
Text Editors
📦 49
Text Processing
📦 136
User Interface
📦 330
User Interface Components
📦 514
Version Control
📦 30
Virtualization
📦 71
Web Browsers
📦 42
Web Servers
📦 26
Web User Interface
📦 210