Open-source alternatives to Email Boilerplate

This project is a responsive HTML email template and framework designed to maintain visual consistency across diverse desktop and mobile email applications. It provides a set of CSS and HTML patterns that ensure layouts, images, and preheaders render correctly across various email service providers. The framework utilizes a fluid-grid design system with percentage-based widths and max-width constraints to scale across different screen sizes. It employs a strategy of applying styles directly to HTML elements to prevent email clients from stripping external or internal stylesheets. The system

Heml is a framework providing a custom markup language and compiler designed to generate responsive HTML and CSS for consistent rendering across email clients. It functions as a system for transforming specialized markup strings into deliverable email templates and associated metadata. The project features a component system for defining reusable custom elements and style rules to standardize design patterns. It includes a responsive layout engine that converts flexible grid structures, columns, and rows into compatible fixed-width tables and fluid layouts. The toolset covers email metadata

This project is an HTML email framework and compiler designed to build responsive emails using a high-level syntax that transforms into table-based layouts. It functions as an HTML-to-table compiler and CSS inliner, ensuring that simplified markup is converted into the complex nested structures and inline attributes required for cross-client compatibility. The framework features a responsive email grid system and Sass-based styling, allowing the use of variables to manage colors, typography, and spacing. These tools enable custom brand theming and the creation of fluid layouts that adapt to v

Foundation Emails is a responsive HTML email framework designed to create layouts that render consistently across different screen sizes and email clients. It functions as a system for building responsive emails and includes a CSS inliner to convert external stylesheets into inline HTML attributes. The framework incorporates an HTML table layout generator that converts simplified custom tags into the complex table structures required for legacy email client rendering. This process automates the creation of layouts that maintain visual consistency in restrictive email software. The project pr

This project is a visual HTML email builder and responsive design tool used to create mobile-ready email layouts. It includes a dynamic email template engine and an artificial intelligence generator for drafting email copy and structural layouts. The system utilizes a component-based layout engine to build emails using standardized blocks and columns, which are translated into table-based HTML for compatibility across diverse email clients. It supports personalization through variable-based template interpolation and conditional logic to adjust content based on specific data sets. The platfo

React Email is a development framework for designing and testing HTML emails using a library of modular components. It provides a set of reusable UI primitives that allow developers to build email templates through declarative code, ensuring consistent visual presentation across various desktop and mobile email service providers. The framework functions by transforming component trees into static HTML markup, automatically handling the complex requirements of email client rendering. It includes a built-in engine that extracts style declarations and injects them directly into HTML elements, by

CSS Layout is a pure CSS pattern library that provides pre-built layout components for common page structures, implemented entirely with CSS using flexbox and grid. The collection focuses on reusable, encapsulated components that handle overlapping elements, vertical centering, sticky footers, and classic page layouts without requiring any JavaScript for rendering or interactivity. The library offers a range of practical layout implementations including centered navigation menus, element stacking techniques, holy grail page layouts, and responsive grid systems. Each pattern is built as a self

pattern.css is a CSS background pattern library and texture generator. It provides a collection of pure CSS styles used to create decorative, repeating geometric and organic designs for website backgrounds and user interfaces. The project focuses on generating visual effects using only CSS properties, removing the need for image files. This approach optimizes assets by replacing image-based textures with code to reduce page load times. The library utilizes linear and radial gradient layering, background stacking, and relative-unit sizing to produce tiling shapes and textures. It also employs

CssToInlineStyles is a CSS inliner for HTML emails that converts stylesheets into inline style attributes on HTML elements. It functions as a style resolver and transformation engine, mapping CSS selectors to HTML tags to ensure consistent visual rendering across diverse email clients and providers. The tool calculates final computed styles by applying specificity and inheritance rules before injecting the resolved properties directly into the style attributes of the corresponding HTML elements. It utilizes DOM-based style calculation and selector mapping to determine which declarations apply

React Email Editor is a drag-and-drop visual builder for creating responsive email templates, built as a React embeddable component. It also serves as an AI-powered email designer, a collaborative email design tool, and a React component library for composing emails programmatically with JSX. The editor represents designs as structured JSON and supports multi-format rendering for email clients, web pages, and PDF. What distinguishes this editor is its deep AI integration: users can generate full email templates from natural language, rewrite text with chosen intent, produce multiple text vari

MUI is a lightweight CSS framework that implements Material Design visual and interaction guidelines for web interfaces. It provides a suite of tools for building interfaces through a responsive CSS grid system and a set of components based on standardized visual patterns. The library includes a customizable CSS theme engine and a specialized HTML email styling library. These tools allow for the modification of default palettes and visual styles to align an interface with a specific brand identity, while ensuring consistent rendering of email templates across different email clients. The fra

osTicket is an open-source help desk software and ticket management system designed to centralize customer support inquiries from emails, web forms, and API requests. It functions as a multi-channel support tool that converts incoming communications into a structured queue for agent resolution and IT help desk management. The platform features a dedicated customer support portal where users can submit requests, track ticket status, and access a self-service knowledgebase of help articles and FAQs. It integrates secure OAuth2 email authentication to retrieve and send messages without storing l

This project is a Node.js email templating engine and SMTP delivery framework used for creating, rendering, and sending custom email templates. It provides a comprehensive suite for email orchestration, including a system for dispatching templated messages and a tool for generating custom layouts to standardize outbound messaging. The framework includes a dedicated HTML CSS inliner that converts external stylesheets into inline styles for consistent rendering across different email clients. It also features a multilingual localization tool for translating template text and subject lines, and

Rock-solid transactional email templates for applications.

Responsive HTML email template designed to work on all major email platforms and smartphones

A Grunt workflow for designing and testing responsive HTML email templates with SCSS.

:love_letter: Compose responsive email templates easily, fill them with models, and send them out.

Beautiful responsive email templates with code as beautiful as email templates can be

A Grunt template to create emails

InsForge is a backend-as-a-service platform that provides an integrated suite of tools for managing relational databases, identity provision, object storage, and serverless compute. It functions as an open-source identity provider and a PostgreSQL database manager featuring integrated vector storage and row-level security. The platform serves as an LLM orchestration gateway, offering a unified endpoint to route requests across various AI providers through an OpenAI-compatible interface. It enables AI-driven application generation and connects AI agents to backend resources using a standardize

WooCommerce is a comprehensive eCommerce framework for WordPress that transforms websites into fully functional online stores for physical and digital goods. It serves as a digital storefront manager for product catalogs, inventory, and customer orders across retail and wholesale business models. The system functions as a payment gateway integrator, connecting shops to diverse processors for credit cards, digital wallets, and subscriptions. It also operates as an order fulfillment system for calculating shipping rates, generating labels, and coordinating delivery via third-party couriers, whi

GoJS is a JavaScript diagramming library and canvas-based visualization engine used to build interactive flowcharts, organizational charts, and network diagrams. It functions as a data-driven framework that binds JavaScript data models to visual elements, enabling bidirectional synchronization between the underlying data and the graphical representation. The library features a comprehensive graph layout engine capable of automatically arranging nodes into trees, grids, circles, or force-directed layouts. It distinguishes itself through a template-based system for generating visual parts and a