Crossref vs PDF Annotator
A side-by-side look at Crossref and PDF Annotator. For an in-depth review of either product, follow the links below.
Crossref
Online Services
Crossref is a not-for-profit membership organization for scholarly publishing that enables researchers to easily find, cite, link, and assess academic publications across platforms and publishers. It provides reference linking services and persistent identifiers like Digital Object Identifiers (DOIs).
researchcitationsreferenceslinkingacademic-publishing
PDF Annotator
Office & Productivity
PDF Annotator is a PDF viewer and editor that allows users to add annotations like text comments, highlights, shapes, and drawings to PDF files. It has basic PDF editing features to rearrange or delete pages.
annotationeditingcommentshighlightsshapesdrawings
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