The Playboy Foundation is a corporate-giving organization that provides grants to non-profit groups involved in fighting censorship and researching human sexuality. It is currently on hiatus. It gives grants and in-kind contributions, such as advertising space in the Playboy magazine to organizations concerned with US First Amendment freedoms. The Playboy Foundation was founded in 1965. The Playboy Foundation also provided $5000 seed money to found NORML.
References
Playboy Foundation Wikipedia(Text) CC BY-SA