next-boost

Add a cache layer for server-side-rendered pages with stale-while-revalidate. Can be considered as an implementation of next.js's Incremental Static Regeneration which works with getServerSideProps. Maintained by next-boost on GitHub, where it has earned 865 stars from the community.

It's actively developed around nextjs, ssr, cache, and is a solid reference for anyone building with these tools.