Assemble vs Middleman: What are the differences?

What is Assemble? The static site generator for Node.js, Grunt.js and Yeoman. Most popular site generator for Grunt.js and Yeoman. Assemble is used to build hundreds of web projects, ranging in size from a single page to 14,000 pages (that we're aware of!).

What is Middleman? A static site generator using all the shortcuts and tools in modern web development. Middleman is a command-line tool for creating static websites using all the shortcuts and tools of the modern web development environment.

Assemble and Middleman can be primarily classified as "Static Site Generators" tools.

Some of the features offered by Assemble are:

• Allows you to carve your HTML up into reusable fragments: partials, includes, sections, snippets... Whatever you prefer to call them, Assemble does that.
• Optionally use layouts to wrap your pages with commonly used elements and content.
• "Pages" can either be defined as HTML/templates, JSON or YAML, or directly inside the Gruntfile.

On the other hand, Middleman provides the following key features:

• Sass for DRY stylesheets
• CoffeeScript for safer and less verbose javascript
• Multiple asset management solutions, including Sprockets

Assemble and Middleman are both open source tools. Middleman with 6.49K GitHub stars and 696 forks on GitHub appears to be more popular than Assemble with 3.7K GitHub stars and 256 GitHub forks.