Your knowledge, in orbit.

Notestack turns your blog, newsletter, site or markdown files into a research notebook you can question, podcasts you can publish and launch kits for every platform. Every word traced back to what you actually wrote.

Start free or see Notestack vs NotebookLM.

Free tools

• AI podcast generator for writers: Free AI podcast generator for writers. Paste a blog post or newsletter and get a two host podcast script grounded in your words, then voice it as a full audio overview in Notestack.
• Turn any PDF into a podcast: Turn a PDF, research paper or report into a two host podcast. Paste the PDF's text or upload the file to Notestack, and get an audio overview grounded in the document.
• Podcast script generator: Free podcast script generator. Paste your notes, post or article and get a formatted two host podcast script with an intro, segments, questions and an outro, built only from your words.

Field notes

• NotebookLM Alternatives in 2026: Why Notestack Is the Ultimate Pick for Writers
• Best AI for Research in 2026: A Workflow, Not a Single Tool
• AI Tools for Writers Who Care About Depth, Not Word Count
• NotebookLM vs ChatGPT: Which Is Better for Research and Writing?
• An AI Second Brain for Writers: Turn Your Archive Into a Thinking Partner
• How to Turn Your Substack Archive Into a Podcast Without Recording
• Grounded AI for Writers: Why Citations Matter More Than Creativity
• The Substack Launch Kit: One Post, Every Platform, Your Voice