| RanDmoz
Displays random web sites from the entire ODP or from specific categories. |
| RankSearchEngine.com
Directory based on the Open Directory, with ntegrated website snapshots from Thumbshots. |
| Recovery Helper
Includes a copy of the Open Directory categories on substance abuse. |
| Regiochannel United Kingdom
Arranges the ODP data from the United Kingdom categories to provide quick links to the largest cities. Advertising by Google. |
| Religion Explorer
Provides a copy of the Open Directory categories on religion, with added site previews by Thumshots. Also uses Aspseek technology to provide a search engine restricted to sites listed in those categories. |
| rfresource.com
Radio frequency site uses business category of ODP directory. |
| Ristafe Home Directory
Includes entire ODP directory data by RFD dump. |
| Rome-Online
Directory of accommodation in Rome, which includes a copy of the Open Directory. |
| RoviSoft
Directory using ODP data, with additional advertising and separate search engine optimization directory. |
| RuDmoz
Russian/English directory using ODP Data via phpODP with Thumbshots added. |
