Tildee is a online tool which allows you to create step by step tutorials in an easy and intuitive way. It also provides a huge library of other user produced content which helps to explain all kind of things such as how to change a tire and so on.
This is a free tool that can be used by teachers to make online videos, such as Khan Academy uploads, into personalized tutorials and quizzes for students. By inserting voice commentary and self-made questions on a timeline, student and teacher can interact without necessarily being in the classroom.
Visualead allows you to create unique and interesting QR codes that link to whatever you want. The QR codes created through visualead are not like regular black and white QR codes but can actually be framed around images and graphics. It also provides, QR tutorials, and allows you to track the success of your QR code through the visualead dashboard.