Everyone complains about capitalism. Is there an actual solution? Is there an alternative that benefits the community as much as Socialism does? And then, what

Everyone complains about capitalism. Is there an actual solution? Is there an alternative that benefits the community as much as Socialism does? And then, what do we do with the crap parts of Socialism? Do we just TRY it and hope it works? There's never been a real plan set forth other than "Capitalism sucks!" or "Capitalism is the root of all our problems!" How do we solve for it? Then... how do we get people to buy into it on a global scale without it falling apart under the weight of social discussions?