The best PDF Reader alternative to OpenBoard Whiteboard is Xournal++, which is both free and Open Source. If that doesn't suit you, our users have ranked more than 50 alternatives to OpenBoard Whiteboard and four of them are PDF Readers so hopefully you can find a suitable replacement. Other interesting PDF Reader alternatives to OpenBoard Whiteboard are CollaNote, Drawboard PDF and Sonic PDF.
Handwritten note-taking and PDF annotation using pen input and pressure sensitivity, shape drawing, customizable toolbar layouts, image insertion, audio recording, multi-language options, LaTeX integration, and complete export in PDF or PNG formats across all platforms.
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.
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...
Sonic PDF is your go-to PDF editor for Windows, offering intuitive tools for document processing.
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