- A9
 - Search experience for e-commerce applications. A subsidiary of Amazon.com. - Eurekster Swicki
- Eurekster Swicki offers personalised search results by tracking visited sites and remembering favourite sites and interests from you and others for future searches.
- Filter, The
- Peter Gabriel's media search engine uses the music, videos, and movies that you usually listen to to suggest new media to match your tastes.
- Google Co-op
- Social search tool that allows holders of Google Accounts to contribute their knowledge and expertise to improve search results and vertical search properties via personalised subscriptions.
- Lijit
- Create a customised search engine for your content. Lijit searches your blog, bookmarks, photos, and more.
- My Web Beta from Yahoo! Search
- A personal search product that enables users to save, find, and share favourite web pages.
- MyJeeves
- Allows users to save search results, web pages, and images, organise them into folders, and share them with friends.
- Naymz
- Featuring personal online identity management. Gives users the ability to control what people see when searches are done on their name.
- Nsyght
- Search engine which uses your bookmarks and social network data to provide more relevant search results.
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