Chm editor software: It allows you to convert CHM files to HTML, Leading PDF, HTML Help Authoring Tool, Your help files in CHM, PDF, RTF, HTML and more.
HelpSmith is a popular help authoring tool from Divcom Software which lets you create CHM files, Web Help, PDF, DOC, and Printed Manuals. The tool includes support for dynamic styles and many other unique features. There is an integrated text editor working just like MS Word, TOC and Index creation tools with drag-and-drop support, and so on.