io.js vs Zend Framework: What are the differences?

What is io.js? A friendly fork of Node.js with an open governance model. io.js is a JavaScript platform built on Chrome's V8 runtime. This project began as a fork of Joyent's Node.js and is compatible with the npm ecosystem.

What is Zend Framework? An open source, object-oriented web application framework implemented in PHP 5. Zend Framework 2 is an open source framework for developing web applications and services using PHP 5.3+. Zend Framework 2 uses 100% object-oriented code and utilises most of the new features of PHP 5.3, namely namespaces, late static binding, lambda functions and closures.

io.js and Zend Framework belong to "Frameworks (Full Stack)" category of the tech stack.

"Compatible with NPM" is the primary reason why developers consider io.js over the competitors, whereas "Open source" was stated as the key factor in picking Zend Framework.

Zend Framework is an open source tool with 5.71K GitHub stars and 2.87K GitHub forks. Here's a link to Zend Framework's open source repository on GitHub.

According to the StackShare community, Zend Framework has a broader approval, being mentioned in 40 company stacks & 22 developers stacks; compared to io.js, which is listed in 4 company stacks and 5 developer stacks.