SHANTI - Sciences, Humanities, and Arts Network of Technological Initiatives

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Skim is a PDF reader and note-taker for OS X. It is designed to help you read and annotate scientific papers in PDF, but is also good for viewing any PDF file (Mac).

Tool Type

Annotation-Commenting Tools

General Associations
Mac (9), Macintosh (8), PDF (10), annotate (8), annotation (9), annotation tool (9), note taking (10), note taking software (10), note-taker (1), notes (13), os x (1), pdf reader (1)


Skim is freeware.


  • Viewing PDFs
  • Adding and editing notes
  • Highlighting important text, including one-swipe highlight modes
  • Making “snapshots” for easy reference
  • Navigation using table of contents or thumbnails, with visual history
  • View all your notes and highlights
  • Convenient reading in full screen
  • Giving powerful presentations, with built-in transitions
  • Handy preview of internal links
  • Focus using a reading bar
  • Magnification tool
  • Smart cropping tools
  • Extensive AppleScript support
  • Bookmarks
  • Saving passwords in Keychain
  • Export notes as text
  • Automatic download of remote PDFs
  • Support for Apple Remote Control
  • Interaction with LaTeX, SyncTeX, and PDFSync
  • Integration with BibDesk and other third party applications
  • Spotlight support
  • Highly customizable


Interface Languages
English (416)


Rickypatterson4_thumb Ricky Patterson