Render markdown into email-safe HTML. Responsive Emails, Written in Markdown. Write markdown. Ship emails. No HTMHELL.

Email.md converts markdown into responsive, email-safe HTML that works across Gmail, Outlook, Apple Mail, Yahoo, and every other client.

• Email.md @ GitHub.

MiniJinja is a powerful but minimal dependency template engine which is based on the syntax and behavior of the Jinja2 template engine for Python.

Related contents:

• Porting MiniJinja to Go With an Agent @ Armin Ronacher's Thoughts and Writings.

Functional HTML templating for Ruby.

P2 is a templating engine for dynamically producing HTML in Ruby apps. P2 templates are expressed as Ruby procs, leading to easier debugging, better protection against HTML injection attacks, and better code reuse.

Related contents:

• How I Made Ruby Faster than Ruby @ noteflakes.

Server-oriented customizable templating for JavaScript

hmpl is a small template language for displaying UI from server to client. It is based on customizable requests sent to the server via fetch and processed into ready-made HTML.

• HMPL.js @ GitHub.

Related contents:

• #107 - Les news web dev pour mars 2025 @ Double Slash :fr:.

Lightweight HTML templating library for any-side rendering. 🌊 Lightweight, intuitive, and customizable JS library that makes building powerful web apps a breeze!

• mizu.js @ GitHub.

build HTML with Go. An HTML templating language for Go that has great developer tooling.

Create components that render fragments of HTML and compose them to create screens, pages, documents, or apps.

• templ @ GitHub.

A rich and powerful templating language for JavaScript. A powerful templating engine with inheritance, asynchronous control, and more (jinja2 inspired).

• Nunjucks @ GitHub.
• HTML Whitespace is Broken @ Devel without a Cause.

A powerful, easy to use template engine for Rust Inspired by Jinja2 and Django templates

• Tera @ GitHub.