Innovasys HelpStudio is described as 'HelpStudio is the fastest, easiest way to create and publish help systems and integrate them with your desktop or web based applications or components, including .NET'. There are more than 10 alternatives to Innovasys HelpStudio for Windows, Online / Web-based, PortableApps.com and The Portable Freeware Collection. The best alternative is HelpNDoc . It's not free, so if you're looking for a free alternative, you could try Vole Media CHM Free Edition or KEL CHM Creator. Other great apps like Innovasys HelpStudio are WinCHM (Paid), HelpScribble (Paid), CHM Editor (Paid) and Abee CHM Maker (Freemium).