Mocha vs Zest: What are the differences?
Developers describe Mocha as "Simple, flexible, fun javascript test framework for node.js & the browser". Mocha is a feature-rich JavaScript test framework running on node.js and the browser, making asynchronous testing simple and fun. Mocha tests run serially, allowing for flexible and accurate reporting, while mapping uncaught exceptions to the correct test cases. On the other hand, Zest is detailed as "* FOSS Docs Browser with DevDocs and Stack Overflow. Find what you need without Internet access*". Offline search tool for developers. Find what you need without Internet access.
Mocha can be classified as a tool in the "Javascript Testing Framework" category, while Zest is grouped under "API Documentation Browser".
Mocha and Zest are both open source tools. Mocha with 18K GitHub stars and 2.43K forks on GitHub appears to be more popular than Zest with 202 GitHub stars and 10 GitHub forks.