1. A method, comprising: executing an embedder module at a computer; receiving, via the embedder module, a request to access a guest module, wherein the request comprises a tag in a programming language, and wherein the tag identifies the guest module; providing, using information associated with the tag, an event to an executing instance of the guest module responsive to the request to access the guest module; signaling for processing of the event at the executing instance of the guest module; providing the request to access the guest module from the embedder module to a broker module; and identifying, using the broker module, the guest module, wherein the broker module comprises a web browser, an operating system controller, a web browser application store, or an operating system application store.