Project Summary
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 great for viewing any PDF file.
* Viewing PDFs
* Adding and editing notes
* Highlighting important text
* Making "snapshots" for easy reference
* Navigation using table of contents or thumbnails
* View all your notes and highlights
* Convenient reading in full screen
* Giving powerful presentations
* Handy preview of internal links
* Focus using a reading bar
* Magnification tool
* Extensive AppleScript support
* Bookmarks
* Support for Apple Remote Control
* Interaction with LaTeX and PDFSync
* Spotlight support
* Highly customizable
* And much more...
In a Nutshell, Skim...
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took an estimated 1 years of effort (COCOMO model)
starting with its first commit in April, 2007
ending with its most recent commit over 17 years ago
Quick Reference
BSD 3-clause "New" or "Revised" License
Permitted
Commercial Use
Modify
Distribute
Place Warranty
Forbidden
Hold Liable
Use Trademarks
Required
Include Copyright
Include License
These details are provided for information only. No information here is legal advice and should not be used as such.
Project Security
Vulnerabilities per Version ( last 10 releases )
There are no reported vulnerabilities
Project Vulnerability Report
Security Confidence Index
Vulnerability Exposure Index
Did You Know...
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65% of companies leverage OSS to speed application development in 2016
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data presented on the Open Hub is available through our API
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nearly 1 in 3 companies have no process for identifying, tracking, or remediating known open source vulnerabilities
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by exploring contributors within projects, you can view details on every commit they have made to that project
30 Day SummaryNov 26 2025 — Dec 26 2025
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12 Month SummaryDec 26 2024 — Dec 26 2025
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