The Open Directory Project (ODP), a human-maintained directory of websites also known as DMOZ
As the ODP became more widely known, two other major web directories edited by volunteers and sponsored by Go.com and Zeal emerged, both now defunct.
Australian Open | French Open | Manhattan Project | Open University | open source | U.S. Open | Project Runway | Wacken Open Air | Project Mercury | French Directory | The Open Championship | Human Genome Project | U.S. Open (tennis) | The Blair Witch Project | Project Gemini | Project Greenlight | All England Open Badminton Championships | U.S. Open (golf) | Open Source | Open-pit mining | 2006 Australian Open | Project Nike | Open Software Foundation | Indira Gandhi National Open University | Project Blue Book | Lamar Hunt U.S. Open Cup | Federal Art Project | Active Directory | Project Orion | Men's Recovery Project |