relevant knowledge

Author management knowledge models for applications and systems services.

Edit HTML files without any knowledge in HTML.

Save and organize your favorite Web pages into your own knowledge base.

Capture, save and organize your favorite web pages in your own knowledge base.

WebPlus SE: Design professional websites for free. No HTML knowledge required!

Adobe RoboHelp: Easily create professional help systems and knowledge bases.

You can get specific information about this update in Microsoft Knowledge Base.

Customer Service Software by LiveHelpNow, chat, ticket, email, knowledge base

Stash is a tiny, free-form knowledge base that's easy to use for folks on the go

Guitar lessons for intermediate/advanced level: no musical knowledge required