HEATKEYS

Offers bookmark synchronization, search enhancement and web discovery based on sites bookmarked by users.

How much is your Twitter profile worth?

Huge selection of twitter buttons/icons for blog, homepage or any other website. Easy to install.

Easily find more sites like those you like. Similar Sites helps you find related sites and alternatives based on community recommendations and computer analysis.

Facebook is a social utility that connects people with friends and others who work, study and live around them. People use Facebook to keep up with friends, upload an unlimited number of photos, post links and videos, and learn more about the people ...

impossivel descrever em palavras....

When you find something you want to view later, put it in Pocket.

❝ E no meio de tantos defeitos, eu encontrei uma qualidade dentro de mim. Olhei para mim mesmo e vi, o quanto eu suportei, o quanto aguentei, o quanto eu me preocupei com os outros quando o meu mundo...

Twitter is without a doubt the best way to share and discover what is happening right now.

Scientific Literature Digital Library incorporating autonomous citation indexing, awareness and tracking, citation context, related document retrieval, similar document identification, citation graph analysis, and query-sensitive document summaries. ...