Skim icon
Open Sourcev1.6.4DesignWindowsmacOSLinux

Skim

by Michael McCracken and contributors

DownloadOfficial source
Version
1.6.4
Size
15 MB
Updated
Publisher
Michael McCracken and contributors
Category
Design
Files
3

Skim screenshots

Skim main window

About Skim

A PDF Reader and Note-taker for OS X

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. Skim requires OS X 10.10 or higher.

At a glance

Skim is a open source design app published by Michael McCracken and contributors (skim-app.sourceforge.io). A PDF Reader and Note-taker for OS X

SOFTGIT offers 3 files for Skim covering Windows, macOS, Linux, 15 MB in total. The version listed is v1.6.4, last updated on September 24, 2026.

Skim belongs to the Design category, alongside The FreeType Project, Scribus, gnuplot. Browse related apps below to compare alternatives.

Download Skim v1.6.4

FileSHA-256SizeDownload
Skim-1.4.15.dmgDMGWindows 049b44000a0636aaadf0cf61f9db08ef7d0c7f99a97d60d8ef2f410347f7c0b0 4.2 MB Download
Skim-1.7.17.dmgDMGmacOS b477f869f7d57759195020963ab7536432af4638f553afcc88962345a440428c 9.9 MB Download
SkimNotes-1.6.4.tgzTGZLinux a4cee43fadeb25a0918ba6873b53098b1f7e9c26a930ac95a0dcb5ead1e13bf2 707 KB Download

Verify a download: sha256sum file (Linux), shasum -a 256 file (macOS) or Get-FileHash file (Windows PowerShell). Learn more.

Source: sourceforge.net/projects/skim-app. The Download button opens the official SourceForge download; the file is not hosted here.

Skim system requirements

Operating system
macOS
License
BSD License
Written in
Objective C
Download size
707 KB (SkimNotes-1.6.4.tgz)
Project page
sourceforge.net/projects/skim-app

Skim FAQ

Is Skim free and open source?

Skim is distributed under BSD License according to SourceForge. You can download it free of charge.

Which operating systems does Skim support?

SourceForge lists macOS for Skim.

Where does the Skim download come from?

The Download button takes you to the official SourceForge download for Skim (sourceforge.net/projects/skim-app). SOFTGIT does not modify or re-host the file.

What is Skim written in?

SourceForge lists Objective C.

Is Skim free to download?

Yes. Skim is listed as “Open Source” and the download from SOFTGIT is free of charge.

How do I download Skim?

Open the “Download” section on this page and press Download. You are taken to the official SourceForge download for Skim; the file itself is hosted by SourceForge.

Is Skim safe to install?

SOFTGIT links to the files exactly as published on the official SourceForge project page (sourceforge.net/projects/skim-app). Nothing is repackaged or wrapped. Compare the checksum shown on this page, where available, with the downloaded file.

Which platforms does Skim support?

The files listed here target Windows, macOS, Linux.

How big is the Skim download?

All files together are 15 MB.

Who makes Skim?

Skim is developed by Michael McCracken and contributors (https://skim-app.sourceforge.io).

What is the latest version of Skim?

The latest version listed on SOFTGIT is v1.6.4, updated on September 24, 2026.

Provenance

Publisher
Michael McCracken and contributors
Last check
10 days ago
License
BSD License