FindMeOn is a profile management service that connects online identities across social networks, blogs, and photo sharing sites. This is a meta-social network that you can use to update all your sites simultaneously. You can hide select profiles from coworkers or family and use identity controls to share only the content you want.
PeekYou is a site that enables users to search for people by first and last name, username, tags, or location. The aggregated profile pages contain bios and links to blogs and social networks. They also have modules for RSS feeds, so you can see what people are saying on their blogs and on Twitter.
Pipl, a people search engine, crawls deeper than most to include social networks, blogs, and publicly available information such as addresses, birthdays, SEC filings, court records, patents, and more.
Wink searches for people by name, location, school, work, and interest by crawling social network sites. The site also plans to start crawling blogs, photos, and general Web pages. You can create and share your own Wink profile.
Zoominfo is a business information search engine. It delivers comprehensive, easy to read profiles of 37 million people and 3.5 million companies. Search for prospects using targeted criteria including title, company name, location, industry, and company size. Zoominfo delivers business information you can't find anywhere else, such as the person's work history, educational background, and board memberships.