Diigo vs PDF-XChange Viewer

A side-by-side look at Diigo and PDF-XChange Viewer. For an in-depth review of either product, follow the links below.

Diigo

Online Services

Diigo is a social bookmarking website that allows users to bookmark web pages and highlight or annotate parts of the pages. Users can categorize their bookmarks, search through bookmarks, and access bookmarks from any computer.

bookmarkingannotationhighlightingcollaboration

Full review → Alternatives

PDF-XChange Viewer

Office & Productivity

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.

pdfviewereditorannotationfreehand-drawing

Full review → Alternatives