The X.Org Foundation is the consortium holding the stewardship for the development of the X Window System. It was founded from the previous X.org site of the Open Group on 22 January2004.
The creation of the Foundation marked a radical change in the governance of X. Whereas the stewards of X since 1988 (including the previous X.Org) had been vendor organizations, the Foundation is led by software developers and using community development on the bazaar model, which relies on outside involvement. Membership is also open to individuals, with corporate membership being in the form of sponsorship.