Webinos provides an open source platform for running applications across multiple devices. It uses open standards like HTML5, JavaScript, and JSON-RPC to allow applications to work across devices. The Webinos architecture includes a Personal Zone Hub (PZH) that handles authentication, synchronization, and policy/trust for a user's devices. Each device runs a Personal Zone Proxy (PZP) that acts as a browser and local server. The PZH and PZPs allow devices to communicate locally and remotely in a user's personal zone. Webinos uses standards-based APIs and discovery mechanisms to enable services and applications to be shared securely between user devices and personal zones.