Greytalk: Forums covering all sorts of topics from the serious (e.g. health & behaviour) to the fun.
Hope for Hounds: A charity raising money for greyhound cancer research.
Greyhound Supporters of the NCR: Working to raise awareness around greyhound adoption and promote the health of retired racing greyhounds.
Race For Adoption: A program that has greyhounds racing at different tracks around the U.S., with profits going to various adoption groups. So far RFA has raised over $150,000 USD.