Delver (search engine) Delver is a social commerce website, owned by Sears Holdings Corporation's Israeli branch - S.H.C Israel.
Eurekster Eurekster is a company founded in Christchurch, New Zealand, with an office located in San Francisco, California, that builds social search engines for use on websites, the search engines are ca...
Ex.plode.us ex.plode.us was a website search engine that indexed people.
Jeff Bonforte Xobni is a San Francisco-based company that makes software applications and services including products for Microsoft Outlook and mobile devices.
Judy's Book Judy's Book is a social search tool and online yellow pages used by millions of registered users across the United States to find the best deals, discounts and coupons and to locate local busine...
Mahalo.com Mahalo.com is a web directory (or human search engine) and Internet-based knowledge exchange (question and answer site) launched in alpha test in May 2007 by Jason Calacanis.
OneRiot OneRiot is an advertising network for the realtime, social web.
PeerPong PeerPong Launched in 2009, they set out to find a better way for people to access expertise across social media.
Scour Scour Inc. was a multimedia search engine on the internet, and provided Scour Exchange, an early peer-to-peer file exchange service.
Scour Inc. Scour Inc. was a multimedia search engine on the internet, and provided Scour Exchange, an early peer-to-peer file exchange service.
SearchTeam SearchTeam.com is a collaborative search and curation engine.
So.cl Microsoft's Future Social Experiences (FUSE) Labs was started by Ray Ozzie and is run by Lili Cheng.
Social search Social search or a social search engine is a type of web search that takes into account the Social Graph of the person initiating the search query.
Surchur Surchur was a realtime discovery and search engine launched on May 1, 2008.
Swicki Eurekster is a company founded in Christchurch, New Zealand, with an office located in San Francisco, California, that builds social search engines for use on websites, the search engines are ca...
Wajam Wajam is a social search engine founded in 2009.
Wikia Search Wikia Search was a short-lived free and open-source Web search engine launched by Wikia, a for-profit wiki-hosting company founded in late 2004 by Jimmy Wales and Angela Beesley.
Wink Technologies Wink Technologies is the operator of Wink, a community-based social search engine.