EditTools gives you all the editing functionality you will ever want in a single extension with an easy to use interface.

Clean, Build, Adjust, EdgeMatch and COGO like in Arc/Info

Edit like in CAD

Update attributes according User Defined rules

Unique way to add new polygons and keep the theme clean from overlaps

Edit and keep your polyline theme clean and ready for network analysis

Powerful generic snapping

Build Convex Hull, TIN (2D or 3D) and Thiessen Polygons
Calculate Slope, Aspect, Hillshade, derive contours

ESRI, ARC/INFO, ArcView, Dialog Designer,Spatial Analyst,Network Analyst  and Avenue are trademarks of Environmental Systems Research Institute, Inc.