deep cloning of objects and arrays

Constant-time comparison of Buffers

return list of CallSite objects from a captured stacktrace

Browser-friendly inheritance fully compatible with standard node.js inherits()

Flexible ascii progress bar

simplified stream construction

Resolve any installed ES6 compatible promise

kill trees of processes

Give me a string and I'll tell you if it's a valid npm package license string

dead-simple optimistic async helper

Promisifies all the selected functions in an object

Convert directories to glob compatible strings

Extend an object with the properties of additional objects. node.js/javascript util.

Determine if the JS environment has Symbol support. Supports spec, or shams.

Resolve the path of a module like `require.resolve()` but from the current working directory

Like JSON.stringify, but doesn't blow up on circular refs.

Esprima-compatible implementation of the Mozilla JS Parser API

Determine the `package.json#type` which applies to a location

random bytes from browserify stand alone

Tiny JavaScript tokenizer.