Urbit has always been open source—currently under the MIT license [1]—and same as Ethereum it's also guided by a non-profit foundation, the Urbit Foundation [2]

Urbit has always been open source—currently under the MIT license [1]—and same as Ethereum it's also guided by a non-profit foundation, the Urbit Foundation [2] established in 2021. [1] https://github.com/urbit/urbit/blob/develop/LICENSE.txt https://github.com/urbit/urbit/blob/develop/LICENSE.txt [2] https://urbit.org/overview/people-history https://urbit.org/overview/people-history