There is no shortage of Google Keep alternatives out there. I tried Bundled Notes, but its lack of a native desktop app ...

NotebookLM's Flashcards feature is still fairly new, and the rollout was just recently completed. So, if you haven't had the chance to explore the feature yet, you can find it in the Studio panel ...

Another feature in Keep notes could soon add to the AI galore in Google apps, though we're unsure if it's truly needed.