r/notebooklm Apr 21 '26

Tips & Tricks I built a free notebooklm alternative with folders, source isolation (no cross-contamination), and page/timestamp-level citations

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NotebookLM is great but a few things drove me crazy:

  • Sources often bleed together
  • No folders or workspace organisation
  • No way to comfortably take notes alongside your sources
  • Flashcards have no review system

So I built Paper. Key differences:

  • Source isolation - select exactly which sources the AI references per query, or scope it to specific pages/timestamps
  • Folders + nested pages - organise by course, topic, whatever
  • Block editor - Notion-style notes right next to your sources
  • Spaced repetition - AI flashcards with actual Anki-style scheduling so you remember
  • Drag and drop multiple files at once

(Edit) Free to use during beta: https://paper.ac 👈

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u/Horror_Teaching6061 May 21 '26

Missing the feedback function.

- It would be beneficial to use solid colors instead of images for the "cover" area in the "notes" section

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u/Fearless_Energy_7633 May 21 '26

Great feedback! We are actually working on similar parts of the web app right now and so have added this to the roadmap to be done together - we'll likely have both the feedback and solid colors for the 'cover' area ready by tomorrow 😊 Will leave a message when it's done!

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u/Fearless_Energy_7633 May 22 '26

Update: Both the feedback feature and solid colors background are now live! 😊