chromeless : The chromeless project is an experiment into making it possible to build a web browser using only web technologies, like HTML, JavaScript, and CSS.
LokiJS : A fast, in-memory document-oriented datastore for node.js, browser and cordova
Cypress : JavaScript End to End Testing Framework. Fast, easy and reliable testing for anything that runs in a browser.
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 ...
A JavaScript file you can insert into your pages to simulate the Firebug console in browsers that are not named Firefox.
