HEATKEYS

Yahoo! Answers is a new way to find and share information. You can ask questions on any topic, get answers from real people, and share your insights and experience.

BestReviewDomain - best review and free analytic for webmasters that gathers detailed information on your domain : traffic details, Technology language, whois, ranking info, domain backlinks,domain IP, DNS record, optimization, network tools, seo too...

Top Similar Sites helps you find similar, alternative or related sites to any of your favourite websites instantly. Give it a try!

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

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

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

From AboutUs: See what information we have on Wiki and share your knowledge.

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

Use our WHOIS search and related tools to discover Domain Ownership and IP Address Management. Find Available Domains & Domains For Sale. Website Information includes Rank, Traffic, SEO, Thumbnails, and more.