Eight years ago Pippin built a small membership plugin for WordPress and called it Restrict Content Pro. It became the foundation for our company and led us to create numerous other products. We grew it to $500,000+ in annual revenue and now today, we have sold it to iThemes / Liquid Web.
Full story can be found here https://sandhillsdev.com/2020/09/a-long-bright-future-for-restrict-content-pro-with-ithemes-and-liquid-web/