A client- and server-side templating system that helps you dynamically build reusable HTML and UI elements
Builder API and other goodies for GWT Elemental
a pug implementation written in Java (formerly known as jade)
Java 8 optimized, memory efficient, speedy template engine producing statically typed, plain java objects
Jinja template engine for Java
A Struts2 plugin for creating PDF-s from HTML-s, JSP-s, FreeMarker templates and Apache Tiles definitions.