PDFpen vs theLibrarian
A side-by-side look at PDFpen and theLibrarian. For an in-depth review of either product, follow the links below.
PDFpen
Office & Productivity
PDFpen is a PDF editing software for Mac that allows users to easily edit, annotate, and sign PDF documents. It has tools for adding text, images, signatures, highlights, shapes, and more to PDFs.
pdfeditorannotateeditmac
theLibrarian
Education & Reference
theLibrarian is an open-source alternative to reference manager software like EndNote and Mendeley. It allows you to organize, manage, and cite your references for academic writing and research.
opensourcereference-manageracademic-writingresearch
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