Co-op's and ESOPs are just one way, but it's about time that we start to experiment with new ownership and governance structures that don't just create more Facebook's and Amazon's.
Louis Kelso is the one who notoriously invented and popularized worker-ownership plans in the US, taking inspiration from the US Homestead Act with spreading capital ownership across society. During the cold war, he also used to characterize 'capital democratization' as a third way, separate from capitalism and communism, but mainly just because then neoclassical economists like Samuelson derided his ideas at the time.