LokiJS : A fast, in-memory document-oriented datastore for node.js, browser and cordova
Chai : Chai is a BDD / TDD assertion library for node and the browser that can be delightfully paired with any javascript testing framework.
RequireJS : RequireJS is a JavaScript file and module loader. It is optimized for in-browser use, but it can be used in other JavaScript environments, like Rhino ...
Feathers : Feathers is a real-time, micro-service web framework for NodeJS that gives you control over your data via RESTful resources, sockets and flexible plug...
Tessel 2 is a development platform you can embed in a product. Build fast with Node.js/io.js, then optimize the hardware and build thousands.