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

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

Use Tailwind CSS to design HTML emails.

Bootstrap stylesheet, compiler, and inliner for responsive and consistent emails with the Bootstrap syntax you know and love.

Bojler is an email framework

Can I email… Support tables for HTML and CSS in emails.

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

Email quirks and bugs

Collection of Free responsive HTML templates for Startups

Coding principles for HTML emails.

电子邮件是一款简化的具备邮件服务器的企业邮箱，支持在将其他主流邮箱的邮件进行导入后自主控制邮件数据安全。电子邮件以其简洁精确的功能和小巧安全的架构方便根据企业和政府机构的业务要求进行二次开发。电子邮件是一个完全开源的项目，无商业版，但是需要依赖开源的数字底座进行人员岗位管控。

Email Editor to embed in your SaaS application. Fully customizable and lightweight.

A list of great articles about accessibility in email

LePatron is an opensource email builder allowing to industrialize your email template production. Build tailor made email templates and make them available to your non-technical users.

Transform your HTML emails.

Desktop application Tool. Allow you to send a beautiful html template to multiple email recipients with one click!

A toolkit for building elegant, widely-supported, responsive HTML emails.

📨 One-liners for installing HTML signatures.

ESPs HTML interpretation bugs and oddities

Makes writing Outlook conditionals in HTML emails easy.