The Breathing Earth simulation
Welcome to Breathing Earth. This real-time simulation displays the CO2 emissions of every country in the world, as well as their birth and death rates.
Easy to use whiteboard (needs java)
No log in, simply get URL and share it to invite people.
Board, upload images, text and voice chat, upload and share files (in text chat, not to view on the whiteboard, drawing tools, adjustable size of text, etc, colors, can be saved or printed (but there's probably only one board. Once full it will probably need to be wiped clean)
If voice doesn't work, it would be used in combination with Skype.
Skim is a PDF reader and note-taker for OS X. It is designed to help you read and annotate scientific papers in PDF, but is also great for viewing any PDF file.
Digital Research Tools (DiRT)
This wiki collects information about tools and resources that can help scholars (particularly in the humanities and social sciences) conduct research more efficiently or creatively. Whether you need software to help you manage citations, author a multimedia work, or analyze texts, Digital Research Tools will help you find what you're looking for. We provide a directory of tools organized by research activity, as well as reviews of select tools in which we not only describe the tool's features, but also explore how it might be employed most effectively by researchers.
Study vocabulary or almost anything
Create your own flashcards - sign up free
Share flashcards with your friends
View the quick guide or watch the video tour
I'm an English language instructor. I have taught general, business and technical English in Germany, Brazil, the UK, and online. Currently, I work at the Bursa Technical University School of Languages.