Google Reader is a free web-based reader to aggregate and read all your news and blog (RSS) feeds. You can also share your favorites with other readers
Evernote allows you to easily capture information in any environment using whatever device or platform you find most convenient, and makes this information accessible and searchable at any time, from anywhere.
Google Alerts provides you with email updates of latest relevant Google results (web, news, etc.) based on your choice of query or topic. For instance if you want to keep up with news about e-learning, type that in as your search term and you will receive notifications of all new Google results that contain that search term. You can also manage the alerts you receive, for example how often you want to receive them.
Delicious is a free social bookmarking tool. Store your bookmarks online, tag them and share them with your colleagues and students. Easy to use to search for other bookmarked resources.
Wordle is a word cloud generator. Copy in some text and generate the word cloud.
Interesting uses could include having students paste in a paper or summary to see the most common usage of words, try using famous speeches, poems, rss, URLs, or del.ico.us usernames
Google Calendar is a free web-based calendar which you can use for your own personal activities or to share with others. It can be integrated into iGoogle and you can also embed it into web pages/blogs.
Bubbl.us is a simple and free web application that lets you brainstorm online. You can:
* Create colourful mind maps online
* Share and work with friends
* Embed your mind map in your blog or website
* Email and print your mind map
* Save your mind map as an image