A tool for taking notes on your computer. Quickly write something down during a meeting, class, or any other time that you have a web browser available.
Create a workspace and create notes in the workspace. You can save your workspace at any time and return to them from the same computer or any other computer. You can also share your notes with others by providing the workspace name (or url) to a friend. Great for collaborative ideas and brainstorming as many people can work on the same page at the same time, just by using different notes.
Splicd allows you to isolate an interesting tidbit from a YouTube video and provides you with a link to share it with your family, friends, and colleagues.
On the site, you'll be able to create a highly detailed timeline of your life's most important events. Starting from the day you were born, you'll be able to start mapping the events that have changed your life. The cool thing about this is the fact that you can see your friends' timelines.
Wordle is a toy for generating "word clouds" from text that you provide. The clouds give greater prominence to words that appear more frequently in the source text. You can tweak your clouds with different fonts, layouts, and color schemes. The images you create with Wordle are yours to use however you like. You can print them out, or save them to the Wordle gallery to share with your friends.
If you find that social networking sites are personalized enough for your needs, then you should take a peek at Qlubb.com. Through this site, you'll be able to create your own profile, allowing you to keep track of your events, your friends, and basically anything else you might want to keep up of. Qlubb has the philosophy that everything should be simple.
Springnote is a free online notebook based on wiki
Springnote allows you to create pages, to work on them together with your friends, and to share files. Springnote is also a great tool for group projects as it allows group members to easily collaborate.