Alternative to Vercel without losing vercel features
open-next.js.org"The goal of OpenNext is to create an open source, framework agnostic, serverless adapter for Next.js"
OpenNext is currently built for AWS but they plan to support any functions as a service platform.
Is this really "open". It seems to me that by "open" they mean, outside of Vercel and inside Amazon. What do you think ? Has someone used it ?