Following libraries might be useful depending on your use case:

1. For Tables/Grids:
   • TanStack Virtual (recommended)
   • react-virtualized
2. For simple infinite scroll, go for react-infinite-scroller
3. For General purpose :
   • React Window
   • Virtuoso (has some paid features)

In case you are looking for help with react-window, you can check out :

https://www.npmjs.com/package/react-window

Code Sandbox Demo Link : https://codesandbox.io/s/5wqo7z2np4