Seesmic Partners

allows you to keep track of all the comments and discussions in which you are participating or observing on the web. Whenever someone adds to the comment stream or discussion, you'll be notified. And for bloggers, this service allows you to display the comments you make elsewhere back on your own blog.
http://cocomment.com/

licenses provide a flexible range of protections and freedoms for authors, artists, and educators.
http://creativecommons.org/

makes your comments more interactive for readers and easier to manage for you — all while connecting your community with other blogs.
http://disqus.com/

is a free software package that allows individuals and communities of users to easily publish, manage and organize a wide variety of content on a website.
http://drupal.org/

keeps you up-to-date on the web pages, photos, videos and music that your friends and family are sharing. It offers a unique way to discover and discuss information among friends.
http://friendfeed.com/

a Yahoo! service that makes it easy for you to take advantage of your existing presence on the Web and ties you into communities of like-minded readers and authors to add context to the conversations in which you take part.
http://mybloglog.com/

lets individuals assemble all-in-one place their favorite widgets, websites, blogs, email accounts, social networks, search engines, instant messengers, photos, videos, podcasts, and everything else they enjoy on the Web.
http://netvibes.com

an easy-to-use and free service that lets you create surveys and polls for your website, blog and social network profiles.
http://www.polldaddy.com/

enables users to stream videos directly from your phone to the Web. Use it to stream engaging videos to your friends in Facebook, Twitter, etc. or as your camcorder to capture entertaining and special moments.
http://qik.com/

Since 2001, Six Apart has enabled millions of individuals, media companies and enterprises to create blogs and form rich, interactive communities.
http://sixapart.com/

mobile posts made easy! Use ShoZu to instantly post your camera phone videos to Seesmic. Simply capture the moment, and with a click, post your blog quality or full res (up to 10MB in size!) video to your Seesmic community. Why wait until you're back in front of a computer to post your videos? Get ShoZu!
http://shozu.com/

makes it easy to see all the things your friends are doing. It's a news feed for every site that you use in one place.
http://socialthing.com/

is the quick and easy way for anyone to build, publish, and manage widgets, mini-sites, mashups, banners and more.
http://sproutbuilder.com/

is a free social networking and micro-blogging service that allows users to send "updates" (or "tweets"; text-based posts, up to 140 characters long) to the Twitter website, via the Twitter website, SMS, IM, or a third-party application such as Twhirl, Twitterrific, or Facebook.
http://twitter.com/

allows users to access the Twitter service directly from their desktop, and also cross post to other services like Pownce and Jaiku.
http://twhirl.org/

is a semantic personal publishing platform with a focus on aesthetics, web standards, and usability.
http://wordpress.org/

is the only web service that enables you to create and launch mobile services in 10 countries in under 10 minutes and generate revenues from each transaction.
http://zong.com/