HEATKEYS

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

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

StumbleUpon is a discovery engine that finds the best of the web, recommended just for you.

Moreofit is the first (and best) website similarity search engine. It answers the question:

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

SmartViper.com - collection and analysis of data from domains and niches. Comparative characteristic and tracing of important statistic parameters

StatsCrop - a web service that lets you explore any website informations and its history, understand your competitor

Readable.cc is an RSS reader that makes feeds readable. Vote on articles to improve your personal reading list.

Alexa provides information about websites including Top Sites, Internet Traffic Stats and Metrics, Related Links, Online Reviews Contact Information and Search Analytics for SEM and SEO optimization. The Alexa Toolbar is a browser add-on that shows d...