KDE's open-source PDF reader and annotation tool for reading, marking up and organising literature.
Okular is the KDE project's open-source document viewer, supporting PDF, EPUB, DjVu, images and other formats, with highlighting, notes, drawing and text annotation. Researchers can use it to read papers, annotate literature, organise reports and read e-books.
Use cases: PDF reading, literature annotation, e-book reading, viewing reports, organising materials
Note: The interface may vary slightly across platforms; Windows users can also pair it with SumatraPDF or Xournal++.
