BibSonomy vs PDF-XChange Viewer
A side-by-side look at BibSonomy and PDF-XChange Viewer. For an in-depth review of either product, follow the links below.
BibSonomy
Education & Reference
BibSonomy is a social bookmarking and publication-sharing system designed for academics. It allows users to organize bookmarks and publications, share them with others, and discover new content.
bibliographyreference-managersocial-bookmarkingacademic
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
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