CodePoet
Fractal Fanatic
"The next step up is champions. These are online groups, such as Fractal Audio Systems, with its Axe-Fx guitar processors. Here, the community members aren't just fans; they write documentation, test beta products, and help new users get up to speed."
https://www.zdnet.com/article/how-the-community-can-help-your-business-people-powered/
https://www.zdnet.com/article/how-the-community-can-help-your-business-people-powered/