Lonssoft Disk Serial is a Visual Basic ActiveX control that can get your Hard-disk infomation, suchlike Controller, Model Number,Serial Number, Heads, Cylinders and etc. As a shareware author, it can be used as a user ID to protect your VB programs from piracy.

Sheet Lightning is a specialised engineering 2D/3D CAD System for creating and unfolding sheet metal designs for fabrication or manufacture. It handles everything from simple cylinders, cones, rectangular ducts and ovals, to adapters, adapting any of these section types, interections and multi-intersections between of any of these types to any level of complexity.