Intro.js - Simple Javascript framework for adding screen tips
WinCHM - Creating CHM file, Make CHM file, Web Help. WinCHM Pro - Help authoring software (CHM, WebHelp, DOC, PDF) . With this powerful tool you can not only create chm file from scratch, but also convert a set of existing HTML files to a chm file.
Appcues - Improve user onboarding, feature activation & more — no code required! Stop waiting on dev and start increasing customer engagement today. Try it for free.
Kchmviewer - Kchmviewer is a free, open-source CHM (MS HTML help) and EPUB viewer for Unix, Mac and Windows...
Usetiful - Fight user churn with great user onboarding. Interactive product tours and smart tips significantly improve your user retention.
Microsoft HTML Help - Microsoft HTML Help is the standard help system for the Windows platform.