About Gamma PDF
Gamma is an open-source, self-hosted PDF annotator with outliner notes for researchers: highlight papers, draw on them, keep notes with live math, ask an AI, and search your whole library — on your own machine.
Author here.I have been reading papers and taking notes for years, using Zotero for the PDFs, Obsidian for the notes, and, recently, an AI chat tab for my questions. Gamma PDF is my attempt to make that one place.In Gamma, you open a paper by simply pasting an arXiv (or DOI) link. Highlight a sentence, or drag a box round a figure, and it becomes a note beside the page with the quote and a link back.You can ask the AI about a figure or some text, and you get an answer that cites a page you can click.You can read and annotate papers on an iPad with the Apple Pencil. Notability (Goodnotes) import/export is supported.You can connect to Zotero's cloud and use Gamma as a better Zotero client, or…
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