influentialpublishers/jigawatt

Full featured Promises/A+ implementation with exceptionally good performance

Lightweight debugging utility for Node.js and the browser

A practical functional library for JavaScript programmers.

BDD/TDD assertion library for node.js and the browser. Test framework agnostic.

takes json-cov output into stdin and POSTs to coveralls.io

Yet another JS code coverage tool that computes statement, line, function and branch coverage with module loader hooks to transparently add coverage when running tests. Supports all JS coverage use cases including unit tests, server side functional tests and browser tests. Built for scale

simple, flexible, fun test framework

JavaScript test spies, stubs and mocks.

Totally Awesome Validation/Sanitization/Normalization for your app.

Check your props and give a helpful error if you've mis-typed.