Async utilities for node and the browser
Bluebird is a full featured promise library with unmatched performance.
The ultimate generator based flow-control goodness for nodejs (supports thunks, promises, etc)
A solid, fast Promises/A+ and when() implementation, plus other async goodies.
Cron for NodeJS.
An async control-flow library that makes stepping through logic easy.
Callback-free control flow for Node using ES6 generators.
Promise utilities for Node
async made easy
Promisify a callback-style function