Prometeus

Another sci-fi animation on the future of media, marketing & communications

Vuvox**

Collect, create & publish your media

Techforx*

Technology foresight exchange

Spotdj

Enrich your stored music with recommendations & other audio content

Searchcrystals

Visualise your search

Octopz

Collaborate on & in any file format

Mimeo

On demand printing, binding & delivery

Instructables

Share what you make & how you made it

Gamegum

Submit your flash game & make some money on it

Eyejot

Communicate through video messaging

Discrevolt

Upload your music & sell printed cards with download redemption codes

Culturecloud*

Research, discuss & share topics, associating randomly with facts and people

Topblogs

Nicely presented rankings of Spanish blogs

(I would love to see this for other markets too)

Popfly*

Create & share pages & mash-ups

Shespeaks

Get free products & participate in consumer research

Ongopongo

Search, create or submit & share maps

Mybestplay*

Profile your skills in sports & find a new club

Myfootballclub

Collectively take over a soccer club, and then co-manage it

Cicatriz*

Video-empowered ecommerce

Mymuesli

Order muesli according to your own specs (Germany only)

Freeconferencecall*

Organize conf calls for free (USA terminated)

Moodviews~*

Track or predict global mood levels (uses Live Journal)

Summize*

Check millions of user reviews before you buy something (amazingly comprehensive)

Gumiyo*

Post supply & demand ads & connect live with buyers & sellers through web or phone

Clustrmaps

Map your blog visitors

Spaceshare

Help your (event's) guests to connect & cut cost by sharing accommodations & facilities

Blendsforfriends

Order your own blend of tea

Sitepoint

Crowdsource your design assignments, or participate

Frenzoo

Dress up your avatar, then chat

Heeii~

Get context relevant suggestions for further reading while you browse

Clickbeurs~

Create your avatar & apply for a job through a chat with your future employer (Dutch)