Description: Hyperbeam is an open-source, collaborative whiteboarding and presentation software. It allows real-time collaboration for teams to brainstorm ideas, create presentations, and annotate documents.
Type: software
Pricing: Open Source
Description: PDF-XChange Viewer is a free PDF reader and editor for Windows. It provides basic PDF viewing and annotation features like adding text notes, highlights, shapes, freehand drawing, and more.
Type: software
Pricing: Free