Open and non commercial, like Firefox. Perhaps based on streams, as in this: https://www.wired.com/2013/02/the-end-of-the-web-computers-a...

Imagine having a tool (or choice of tools) to combine and filter RSS feeds from friends, organizations you're interested in, news sites... Probably would need a way to pay for content, so as not to rely on ads.

My vision is that the next internet will exist in the hydrogen-fusing heart of nearby stars, such that interstellar travel will be required to see web pages. I know this will not be popular but the technology would be really cool! I'm also convinced that this can be funded by sales of toenail clippings, so that part is easy.