Web 2.0 Tools by the Alphabet S-T
www.sendshots.com
I Site where you can film yourself and share it with others there are many backgrounds to choose from.
http://slidesix.com Upload your presentations and share then with friends and students you can even add video and audio by recording directly within the site.
http://www.slideshare.net/ Wonderful site for sharing of slideshows, great site to search for all manner of teaching ideas and tools.
http://www.spinscape.com/ Spinscape is a Web based application you use to find, organize, and share information on any topic. Mind Mappers will be at home with the look, but Spinscape goes much further.
http://www.scribblar.com/ Multiuser whiteboard online collaboration site.
www.tadalist.com Make lists for yourself and share with others.
http://soshiku.com This is one for the students allows you to manage your assignments and deadlines will even email reminders to you.
http://tagul.com A web service that enables you to create generous tag clouds.
www.tagexdo.com/ Turns words famous speeches, news, articles slogans and these into visually stunning tag clouds.