PDF Stacks vs Tangent Notes

A side-by-side look at PDF Stacks and Tangent Notes. For an in-depth review of either product, follow the links below.

PDF Stacks

Office & Productivity

PDF Stacks is a PDF management software that allows users to easily merge, split, organize and manage PDF documents. It has an intuitive interface and useful features like OCR, annotation tools, password protection and more.

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Full review → Alternatives

Tangent Notes

Office & Productivity

Tangent Notes is a free, open-source note taking app for Windows, Mac and Linux. It allows you to take notes, annotate PDFs, organize research papers and more. Key features include backlinks, Markdown support, tabs and more.

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Full review → Alternatives