RactiveJS vs Eta JS: What are the differences?

RactiveJS: Next-generation DOM manipulation. Ractive was originally created at theguardian.com to produce news applications. Ractive takes your Mustache templates and transforms them into a lightweight representation of the DOM – then when your data changes, it intelligently updates the real DOM; Eta JS: Fast, lightweight, pluggable embedded JS template engine. Fast, lightweight, pluggable embedded JS template engine. Supports async templates, partials, and fixes many of the parsing issues with doT and EJS. Faster than most template engines, including EJS, doT, Handlebars, Pug, and Nunjucks.

RactiveJS and Eta JS can be categorized as "Templating Languages & Extensions" tools.

Some of the features offered by RactiveJS are:

• Ractive.js is a template-driven UI library, but unlike other tools that generate inert HTML, it transforms your templates into blueprints for apps that are interactive by default.
• Two-way binding, animations, SVG support and more are provided out-of-the-box – but you can add whatever functionality you need by downloading and creating plugins.
• Some tools force you to learn a new vocabulary and structure your app in a particular way. Ractive works for you, not the other way around – and it plays well with other libraries.

On the other hand, Eta JS provides the following key features:

• Whitespace control
• Plugins
• Custom delimiters

RactiveJS is an open source tool with 5.74K GitHub stars and 448 GitHub forks. Here's a link to RactiveJS's open source repository on GitHub.