This site came up to life due to the need for a place where people could actually grasp a sense of history, in relation the different places where they belong to. This is an important human need, and this site seems to be a good option for you to take a look at, if you are looking for such kind of service.
Quickly and easily give feedback on design, content, and code on any page of a website or application without leaving your browser.
Notable helps your team collaborate through visual feedback on screenshots, via a chaos-free process so that everyone can express their opinion.
"6rounds is a live meeting point. It's a truly unique, exciting and interactive online environment, offering users a variety of experiences that they enjoy together. Using a combination of webcams, real-time games, social activities and media engagements, we present a wide range of opportunities: from watching videos, playing real-time games, listening to music, facebooking and youtubing, to shopping together and beyond."
upload, or create from scratch, beautifully simple or adventurously complex page designs and covers online, in no time. What's more, you can publish your book with a single button and release it to the world before the (virtual) ink's dry! You can create as many publications as you want. And it's all free.
Scoopler is a real-time search engine. We aggregate and organize content being shared on the internet as it happens, like eye-witness reports of breaking news, photos and videos from big events, and links to the hottest memes of the day. We do this by constantly indexing live updates from services including Twitter, Flickr, Digg, Delicious and more. When you search for a topic on Scoopler, we give you the most relevant results, updated in real-time.
Bookarmy is a social networking website for every sort of reader. Whether you're a bookaholic or someone who picks up a book only once a year while relaxing on holiday, bookarmy is the place to discuss and review books, build reading lists, get the best book recommendations, and where you and your friends, family or classmates can read books together.
Google Wave is a new tool for communication and collaboration on the web, coming later this year. Watch the demo video below, sign up for updates and learn more about how to develop with Google Wave.
web-based word processor that allows people to work together in really real-time w chat
The free service. let's you create share with up to 16 people, with some minimal security through a randomized URL.