dojo.io: AJAX-based communication with the server
dojo.event: unified event system for DOM and programmatic events
dojo.lang: utility routines to make JavaScript easier to use.
dojo.string: String manipulation routines
dojo.dom: DOM manipulation routines
dojo.style: CSS Style manipulation routines
dojo.html: HTML specific operations
dojo.reflect: Reflection API
dojo.date: Date manipulation
dojo.logging.Logger: Logging library
dojo.profile: JS Profiler
dojo.regexp: Regular Expression generators
dojo.dad: Drag and Drop
dojo.collections: Collection data structures
dojo.crypto: Cryptographic API
dojo.reflection: Reflection routines
dojo.math: Mathematic routines
dojo.storage: Storage routines
dojo.uri: URL handling routines
dojo.widget: Widget framework