• SavvyFrog.com - A copy of the Open Directory with a Google search box and added advertising.
• ScienceDaily Magazine - News about science, technology, and health. Archived stories are filed into ODP categories alongside the links.
• Scrale - Directory using live data from the Open Directory, plus world news.
• Search Beat - Portal including a directory using the ODP.
• Search.ch - Swiss search engine including a directory using ODP categories on Switzerland in English, German, French and Italian.
• SearchEngine.com - A directory using ODP data and structure, with sponsored links added. There is a choice of versions for Germany, the Netherlands, UK and the US.
• Sendbadnet - A directory using the Open Directory.
• Sequency - Uses ODP directory with Thumbshots and powered by PHPODP.
• Siteskipper - A searchable directory using the ODP, with a panel giving links to the top level categories.
• Smartcast - Sells fishing equipment. Uses a directory based on the ODP category Recreation: Outdoors: Fishing, powered by phpodp.
• Smartfinder.com - Directory using the ODP content.
• Snap - This search engine draws on data from several partners, including the Open Directory.
• The Snowman - Uses the Kids and Teens section of the Open Directory.
• South Seek - Uses ODP data for web directory.
• SSL Directory - A copy of the Open Directory, powered by DWodp live, with site previews added from Thumbshots, and advertisements supplied by Google.
• Surf Site - Offers a directory based on the Open Directory Project and search via a selection of popular search engines.
• Switchemail.com: ISP directory - Provides a directory of Internet Service Providers in all US states using ODP data.
• SWK Consulting, LLC - Site using a modified version of the Nursing category of the ODP.

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