Help+Manual (AKA: Help & Manual, Help And Manual) is currently the most powerful WYSIWYG help files creating tool (from Austria) on the market. Due to the use of pure XML format of visual editor, there is no difference between Help+Manual's usage and the use of many common word processors. It can be used to make very professional and beautiful product manuals, HTML pages, RTF, and help files in PDF format.

CHM Editor is an intuitive, lightweight WYSIWYG CHM file editor. With it, you can quickly create, edit, translate (localize), decompile and convert .chm files (HTML help files). Its use is very handy too, does not need you to know any professional knowledge about HTML.

First of all, this post has been planned for a few years, fortunately, it can be published to help many programmers at last. Many programmers still like, and have got accustomed to using the classic and simple, efficient CHM format of offline manuals for the programming languages you're learning or using, even if there are Dash (commercial, for Mac OS X) and Zeal such excellent, free and open-source AIO type of offline API documentation browser for Windows/Linux platform. Now, you've found the right place.