Online tutorials are great opportunities for students to create presentations for an authentic audience (see The Best Places Where Students Can Create Online Learning/Teaching Objects For An “Authentic Audience”).
Obviously, anyone can create tutorial and put it online.
However, this list contains some easy and scaffolded tools for creating them, which will also automatically be made available to a broader audience:
Iorad looks like an intriguing browser extension for creating tutorials, but I haven’t tried it out yet.
Stonly lets you create interactive “guides.”
Tangi Quick Videos is an app where users can create short video tutorials.
What am I missing?