PDF viewer for macOS supports scientific papers, annotations, highlights, bookmarks, split view, exporting notes, AppleScript, multiple annotation types, bibliography integration, full-screen, search, and compatibility with various macOS versions.

SpeedyNote is described as 'Fast, open-source note-taking application designed for stylus users who need iPad-quality annotation on budget hardware. Built with native C++ and Qt, it delivers 360Hz stylus input on hardware as modest as an Intel Celeron N4000 at 1' and is a Note-taking tool in the photos & graphics category. There are more than 50 alternatives to SpeedyNote for a variety of platforms, including Windows, Mac, Linux, Android and iPhone apps. The best SpeedyNote alternative is Notesnook, which is both free and Open Source. Other great apps like SpeedyNote are Microsoft OneNote, Xournal++, Excalidraw and Evince.
PDF viewer for macOS supports scientific papers, annotations, highlights, bookmarks, split view, exporting notes, AppleScript, multiple annotation types, bibliography integration, full-screen, search, and compatibility with various macOS versions.

Xournal is an application for notetaking, sketching, keeping a journal using a stylus. It is free software (GNU GPL) and runs on Linux (recent distributions), Windows and other GTK+/Gnome platforms.

Concepts is the digital design sketchbook of the future. It’s powerful, flexible and smart, so you can go from quick sketches to beautiful and precise illustrations in a single app. Enhance your creative capabilities with our infinite canvas, flexible multi-touch shape guides...




Experience "digital paper" with seamless note-taking on iOS devices. Annotate PDFs, PowerPoint, and Word, plus organize notes in unlimited folders. Enjoy searchable handwritten notes that sync across devices with iCloud, intuitive QuickNote feature, and customizable templates.




Read, annotate, and highlight PDFs, fill interactive forms with saved input, underline or strike through text, manage bookmarks, sync files from cloud services, and share documents. Compatible with Preview and Adobe Acrobat annotations, supporting extensive iOS features.




Lorien is an infinite canvas drawing/note-taking app that is focused on performance, small savefiles and simplicity. It's not based on bitmap images like Krita, Gimp or Photoshop; it rather saves brush strokes as a collection of points and renders them at runtime (kind of...

Notedrafts is a powerful note-taking app that lets you write, draw, and organize your thoughts across different types of documents. Whether you're marking up a PDF, writing on a large canvas, or taking notes in a long vertical layout, Notedrafts adapts to your workflow.








Meet the freeform digital canvas where ideas, content, and people come together.




The top AEC PDF app to markup and manage drawings and documents. Ideal for replacing pen and paper, avoid printing documents again by using our intuitive feature set that makes marking up a PDF easy. Open or create a new PDF, markup using our extensive array of tools, then save...







All-in-one solution for note-taking, PDF annotation, digital planning, and journaling with 25 pens and brushes, AI shape detection, real-time collaboration, Smart Dark Mode, ASMR sound, audio recording, password protection, over 150 templates, and syncing options.



