FreeMarker - Template language

FreeMarker is an open source template language created in 2000.

#800on PLDB

24Years Old

6kRepos

FreeMarker is a free Java-based template engine, originally focusing on dynamic web page generation with MVC software architecture. However, it is a general purpose template engine, with no dependency on servlets or HTTP or HTML, and is thus often used for generating source code, configuration files or e-mails.. Read more on Wikipedia...

FreeMarker Wikipedia page
There are at least 5,703 FreeMarker repos on GitHub
FreeMarker first developed in https://freemarker.apache.org/mailing-lists.html
file extensions for FreeMarker include ftl
The Google BigQuery Public Dataset GitHub snapshot shows 3k users using FreeMarker in 4k repos on GitHub
Monaco package for syntax highlighting FreeMarker
GitHub supports syntax highlighting for FreeMarker
See also: (5 related languages)Java, HTML, JSP, Velocity, Thymeleaf

Example from Linguist:

<#ftl strip_text=true />

<#macro page title>
    <!doctype html>
    <html lang="${.lang}">
        <head>
            <title>${title}</title>
            <@metaTags />
        </head>
        <body>
            <#nested />
            <@footer />
        </body>
    </html>
</#macro>


<#---
  Default meta tags
-->
<#macro metaTags>
    <#compress>
        <meta charset="utf-8">
        <meta http-equiv="X-UA-Compatible" content="IE=edge">
        <meta name="viewport" content="width=device-width,initial-scale=1">
        <meta name="format-detection" content="telephone=no">
    </#compress>
</#macro>

<#macro footer>
    <p>This page is using FreeMarker v${.version}</p>
</#macro>

Example from Wikipedia:

<html>
<body>
<p>Hello Joe! You have the following messages:
  <p><b>Tim:</b> Please don't forget to bring the conference papers!</p>
  <p><b>Cindy:</b> Can you give me a visit this afternoon?</p>
  <p><b>Richard:</b> Don't forget the papers this time!</p>
</p>
</body>
</html>