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Head-to-head · Template Engine Software

Handlebars.js vs Apache FreeMarker

  • Updated Oct 2026
  • Both researched from official sources
  • 3 checks side by side
Higher score Handlebars.js #3 in Template Engine Software 9.2/10 Free plan Free plan✓ 1 of 4 features Visit Handlebars
Apache FreeMarker #5 in Template Engine Software 9.0/10 Free plan Free plan✓ 1 of 4 features Visit site

Handlebars.js leads on 0 checks, Apache FreeMarker on 0, and 3 are even. Who comes out ahead on the 3 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreHandlebars.js · 9.2/10
  • Free planboth

Handlebars.js scores higher on our rubric for template engine software: 9.2 against 9.0 out of 10; our editors rank them #3 and #5.

Handlebars.js is the better fit for javaScript projects needing reusable HTML templates. Apache FreeMarker is the better fit for java projects generating varied text formats.

  • Handlebars.js fits best

    JavaScript projects needing reusable HTML templates

  • Apache FreeMarker fits best

    Java projects generating varied text formats

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Side by side

Feature Handlebars.js 9.2/10 Visit ↗ Apache FreeMarker 9.0/10 Visit ↗
At a glance
Editor score 9.2 9.0
Ranking #3 in Template Engine Software #5 in Template Engine Software
Best for JavaScript projects needing reusable HTML templates Java projects generating varied text formats
Pricing model Free Free
Starting price Free plan Free plan
Free plan ✓ ✓
Free trial — —
Deployment Cloud, Self-hosted Self-hosted
Support Docs Community, Docs
Built for Solo, Small business, Mid-market, Enterprise Solo, Small business, Mid-market, Enterprise
Features Handlebars.js 1/4 · Apache FreeMarker 1/4
Template inheritance Not checked yet Not checked yet
Automatic escaping ✓ ✓
Sandbox mode — Not checked yet
Async rendering Not checked yet Not checked yet
Specs
Rendering mode Not checked yet Server
Syntax model Logic-based Logic-based
License model Open-source Open-source
Our review
Pros
  • Compiles templates into JavaScript functions, with precompilation available
  • Built-in helpers support conditions and iteration; custom helpers are supported
  • Reuses registered partials and HTML-escapes expression output by default
  • Generates HTML, email, configuration files, and source code
  • Configurable loaders and cached parsed templates support repeated rendering
  • Locale-sensitive formatting and configurable output-format escaping
Cons
  • Not a hosted commercial product; it is an open-source library
  • User-supplied templates need a separate sandbox for isolation
  • Support is documented through docs
  • Designed for Java applications and self-hosted deployment
  • Automatic escaping depends on configured output formats
  • Uploaded templates require security configuration and code-level trust
Our verdict

Handlebars.js is an open-source JavaScript templating language for developers generating HTML or other text from templates and input objects. It suits JavaScript projects that need reusable templates, with support for compiling templates…

Read the review →

Apache FreeMarker is an open-source Java library that turns FreeMarker Template Language (FTL) templates and application data models into text output. It fits teams building Java applications that need to generate HTML pages, emails,…

Read the review →
  1. Handlebars.jsTemplate Engine Software 9.2Free plan
  2. Apache FreeMarkerTemplate Engine Software 9.0Free plan

Strengths and trade-offs

  • Handlebars.js — where it wins

    • Compiles templates into JavaScript functions, with precompilation available
    • Built-in helpers support conditions and iteration; custom helpers are supported
    • Reuses registered partials and HTML-escapes expression output by default

    Where it doesn't

    • Not a hosted commercial product; it is an open-source library
    • User-supplied templates need a separate sandbox for isolation
    • Support is documented through docs

  • Apache FreeMarker — where it wins

    • Generates HTML, email, configuration files, and source code
    • Configurable loaders and cached parsed templates support repeated rendering
    • Locale-sensitive formatting and configurable output-format escaping

    Where it doesn't

    • Designed for Java applications and self-hosted deployment
    • Automatic escaping depends on configured output formats
    • Uploaded templates require security configuration and code-level trust
  • Handlebars.js9.2/10 · Free plan

    A free, open-source template engine for JavaScript projects that need reusable HTML.

    Visit HandlebarsFull verdict →
  • Apache FreeMarker9.0/10 · Free plan

    An open-source Java library for producing varied text formats from FTL templates.

    Visit siteFull verdict →

More comparisons

All template engine software comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update