Skim 1.1.12

Made by:
C. Hofman, A. Maxwell, and M. McCracken

http://skim-app.sourceforge.net/

System Requirements:
OS X 10.4 or later

Type:
Freeware

Description:
Skim is a PDF reader and note-taker for OS X. Skim is designed to help you read and annotate scientific papers in PDF.

Skim includes many features and has a great user interface.