Knowledge Sharing Apps

Qwiki delivers information in a format that's quintessentially human – via storytelling instead of search.

Wikipedia is a free-content encyclopedia project based on an openly editable model.

Instructables.com gives internet users a place to learn how to do almost anything.

DataMarket.com is a marketplace for structured data and statistics.

Freebase provides a Creative Commons licensed repository of structured data of millions of entities.

Betterfly connects people who want to learn, look and feel better with the people on their site who can help.

Smarterer.com offers users a place to show off what they know. People get ranked on their digital, social, and technical skills.

iFixit is a free repair manual that you can edit.

BestThinking is an open access publisher and syndicator of journal quality content, and a place to publish and network in a community of Thinkers.

Squidoo gives users an easy way to share their point of view on any topic imaginable. Users can create pages, called lenses, which include images, text and sharing tools.

Helium.com helps users find information and gives writers a place to show off their abilities.

eYeka is a co-creation platform for brands, video contests, design contests and photo contests.

eHow.com provides users the ability to research, share, and discuss instructional solutions that help complete day-to-day tasks and projects.

Howcast shows consumers how-to videos and guides wherever, whenever they need to learn how.

This Is Like is a collaborative system of associations: people can add items, link them together, and vote on already existing links.