trello/scientist

Full featured Promises/A+ implementation with exceptionally good performance

JavaScript's functional programming helper library.

Checks CoffeeScript source for errors using JSHint

Unfancy JavaScript

Lint your CoffeeScript

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

test framework agnostic BDD-style assertions

JavaScript test spies, stubs and mocks.

Istanbul and JSCoverage-style instrumentation for CoffeeScript files.

Sinon.js assertions for should.js