Core Widgets
CMV comes with many "core" widgets including:
Base Maps
Bookmarks
Directions
Draw
Editor
Find
Geocoder
Growler
Help
Home Button
Identify
Layer Control (Table of Contents)
Legend
Locate Button (Geolocation)
MapInfo
Measurement
Overview Map
Scalebar
StreetView
Contributed Widgets
Many developers and users of CMV have created their own custom widgets. Some of these are made available through the CMV Contributed Widgets repo