Uncovering the Best Handlebars Alternative for Your Project
Handlebars is a widely used JavaScript template library, celebrated for its user-defined block expressions and helpers, building upon the familiar Mustache template syntax. While Handlebars serves many developers well, there are various reasons why you might seek a Handlebars alternative. Whether you're looking for a lighter footprint, different feature sets, or simply exploring new technologies, the templating landscape offers a wealth of excellent options.
Top Handlebars Alternatives
Choosing the right templating engine can significantly impact your development workflow and application performance. Here are some of the top contenders that offer compelling alternatives to Handlebars, each with its own strengths and ideal use cases.

Underscore.js
Underscore.js is a utility-belt library for JavaScript that provides a lot of the functional programming support you would expect. While not solely a templating engine like Handlebars, it includes a powerful templating utility that can be a great Handlebars alternative for developers needing broader utility functions alongside simple templating. It is free and open-source, available for Web platforms, and offers robust Developer Tools and Web Development features.

Pug
Pug, formerly known as Jade, is a high-performance template engine heavily influenced by Haml and implemented with JavaScript for Node.js. As a concise and powerful Handlebars alternative, Pug distinguishes itself with its whitespace-sensitive syntax, which can lead to cleaner, more readable templates. It is free and open-source, supporting Mac, Windows, Linux, and Self-Hosted environments, and provides excellent Developer Tools for Web Development.

EJS
EJS, often associated with words like "Embedded," "Effective," or "Easy," is a simple templating language that lets you generate HTML markup with plain JavaScript. It's a fantastic Handlebars alternative for those who prefer to keep their templating logic as close to pure JavaScript as possible, avoiding new syntax. EJS is free and open-source, compatible with Mac, Windows, and Linux, and offers strong Developer Tools for Web Development.

Eta JS
Eta JS is a lightweight, embedded, pluggable, and super-fast JavaScript template engine. Developed specifically as an alternative to EJS, Eta JS aims to be more lightweight, faster, and address some of the pain points of other engines, making it a strong contender as a Handlebars alternative for performance-critical applications. It is free and open-source, supporting Web, JavaScript, GitHub, Node.JS, and npm platforms, and features custom delimiters for flexible templating.
Ultimately, the best Handlebars alternative for your project will depend on your specific needs, team's familiarity with different syntaxes, and performance requirements. We encourage you to explore these options further to find the perfect fit for your next development endeavor.