CommentPress is an open source theme for the WordPress blogging engine that allows readers to comment paragraph by paragraph in the margins of a text. Annotate, gloss, workshop, debate: with CommentPress you can do all of these things on a finer-grained level, turning a document into a conversation. It can be applied to a fixed document (paper/essay/book etc.) or to a running blog.

backchan.nl is tool for involving audiences in presentations by letting them suggest questions and vote on each other's questions. backchan.nl is intended for conference or event organizers who want a new way to solicit questions from the audience and make better use of question and answer time.

While the information about me on the Web is not terribly exciting, I do leave a little bit of information on every site I visit. And therein lies the rub. Say something in passing on a social site and it may come back to haunt you.

Let me provide you five dangers that arise due to our changed online behavior. These dangers should make us realize that when (not if) we move into an era where data becomes currency, we will need to develop better privacy and security measures to go along with that.

BuddyPress will transform an installation of WordPress MU into a social network platform.

Elgg is an open source social network. Elgg allows you to take full advantage of the power of social technology with elegant, flexible solutions for organisations, groups and individuals.

DiSo (dee • zoh) is an umbrella project for a group of open source implementations of these distributed social networking concepts. or as Chris puts it: “to build a social network with its skin inside out”.

Overzicht van de sociale webdiensten per productcategorie, in een prisma.

Open Data Definition allows you to copy your data from one social network to another, keep track of your friends network and synchronise your data across services. Simple to use and trivial to implement, this is your fastest route to true data portability.

mySociety runs most of the UK’s best known democracy websites, like TheyWorkForYou and FixMyStreet

mixin lets you share your daily activities and intentions to get together more often with your friends

Social networks are becoming more open, more interconnected, and more distributed. Many of us in the web creation world are embracing and promoting web standards - both client-side and server-side. Microformats, standard apis, and open-source software are

George explains how the Flickr community started, and how the users shaped the Flickr web platform in more ways than the site itself shaped the user interaction.

On June 19, danah boyd participated in the Berkman Luncheon Series to discuss her work and research in the area of social networks. She provided a great historical context to the various sites that have come and gone from the center of Internet activity,