There is a gentler style of humour, revolving around sincerity and a sort of targetless absurdity that is being developed in some areas of popular culture (children's shows like Steven Universe and podcasts like MBMBAM come to mind) but it takes time and practice to cultivate a new sense of humour in yourself.
We can be both funny and kind. Humour doesn't need to be at the expense of someone or something else.
Sunbeam City is a Libertarian Socialist solarpunk instance. It is ran democratically by a cooperative of like-minded individuals.