Alphacam is a leading CAD/CAM software solution for the Woodworking industry. The core product of the company is Alphacam and is used in the manufacture of many types of components, from simple routed parts to complex, 5-axis furniture components.
The atb file extension is associated with AnetHelp Tool, a WYSIWYG help-authoring system for creating Win/HTML/Java help files, rtf manuals and web sites, developed by Anet.