react-esi by dunglas

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.

Benchmarking JS web framework SSR performance. Maintained by eknkc on GitHub, where it has earned 768 stars from the community.

Enhance Next.js Beyond Limits. Maintained by shahradelahi on GitHub, where it has earned 509 stars from the community.