This is a cool web tool that you can use to gather information and feedback from your students. It is very easy to use and has a user friendly interface.
This is a great mind mapping tool that allows you to creatively manage and organize your ideas into visual maps.
Vialogues is a great discussion platform that uses videos as teaching resources. You can upload your videos and start a discussion around them either privately or publicly.
Find PDF allows you to search, store and share PDFs . It uses Google Search API to find books and manuals.
This is a great educational journal where you can have access to the recent researches and articles in learning technology.
Laloli is a free web tool that lets users instantly and easily share their audio recordings with others. The process is very easy and no software download or registration is needed.
Tackk is one of the newest format to creatively share anything on the web. This service needs a sign up but it is free of charge.