• Best Sites For - Meta search engine using ODP data for directory.
• BestSearchers.com - Links to selected search engines, and a directory using live data from the ODP.
• Big Web Directory - Web directory using ODP data. Allows visitors to view in several different color styles.
• Bigsearch.ca - Provides a searchable directory based on the Open Directory Project, as well as news from Canadian sources and free space for blogs.
• BizMena.com - Searching business resources of regional category of ODP of Middle East and North Africa with Thumbshots.
• Bonus Bot - An ODP-based directory, edited and categorized for shopping, discounts, promotions, travel, city and hotel guides, kids and teens. Includes search by Google.
• Business Nation - Uses the ODP data to supplement the business listings in its business library. Live data. Anaconda.
• Bytedog - Offers metasearch using Altavista, Alltheweb and Wisenut, automatically filtering bad links, and a directory from the Open Directory.
• Bytehound.com - Uses ODP directory with Thumbshots.
• Directory of Bridges, Tunnels and Dams - A directory of sites related to bridges, tunnels and dams, both commercial and recreational, which incorporates some Open Directory listings.

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