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I have a model that needs to be accessed by several views and to accomplish this in the definition of the model module I'm instantiating it immediately like so: define([ 'jquery', 'underscore', 'backbone' ], function(_, Backbone) { var Foo = Backbone.Model.extend({ // wondrous methods and properties }); return new Foo(); }); I only really need one instance of this model - right now that is. The workaround for this as far as I know is to have a separate App module. Something like: define([], function() { var App = { routers: {}, models: {}, views: {} }; return App; }); on which you can instantiate and store references to objects on app startup: require([ 'App', 'Foo' ], function(App, Foo) { App.models.foo = new Foo(); }); but I feel like this is a poor alternative since you're essentially going back to having a global namespace - which is something that RequireJS is supposed to help avoid. Are there any alternatives and is there any good reason to avoid having singleton models as I described above?

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