LinkedIn Learning - Online training through LinkedIn's professional network.
Dr.Explain - Dr.Explain software is a help file authoring tool.
Fluany - Everything you need to force your mind to learn
Document360 - Self-service knowledge base software focused on SaaS Products & Enterprise Software Projects.
Hackr.io - There are tons of online programming courses and tutorials, but it's never easy to find the best one. Try Hackr.io to find the best online courses submitted & voted by the programming community.
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.