UI Movement - The best UI design inspiration, daily
HelpNDoc - What is HelpNDoc ? Easy to use yet powerful help authoring environment which can generate various documentation formats from a single source.
UI Garage - Specific mobile and web design patterns for your inspiration
Adobe RoboHelp - Adobe RoboHelp empowers organizations to deliver engaging help and policy content across mobile devices, formats, and platforms.
CodeMyUI - Handpicked code snippets you can use in your web projects
HelpSmith - HelpSmith is a help authoring tool to create CHM HTML help files, manuals, and PDF documents.