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OsiriX logo.jpg
Original author(s) Antoine Rosset
Developer(s) Pixmeo
Initial release April 23, 2004 (2004-04-23) (1.0.0)[1]
Stable release

10.0.0  (October 1, 2018; 4 years ago (2018-10-01))

Preview release none [±]
Written in Objective-C
Operating system MacOS X
Type Imaging informatics software
License(s) GNU Lesser General Public License v3.0
Website osirix-viewer.com

OsiriX is free open-source image processing software for managing DICOM images produced by radiology and nuclear imaging, functional imaging, 3D imaging, confocal microscopy, and molecular imaging. OsiriX also acts as a DICOM-compatible picture archiving and communication system (PACS) workstation for imaging.[2] The product is also offered as a commercial product, with a 64-bit and an FDA-approved professional version available for purchase.

Product history

OsiriX started out in November 2003 as a UCLA grant project of Antoine Rosset dedicated to learning about imaging informatics and writing "a small software program to convert DICOM files to a QuickTime movie file."[3] The project idea expanded to an open-source project, with a SourceForge project page being created on April 16, 2004.[4] Shortly afterwards, on April 23, a stable version 1.0 of the software was released.[1]

In March 2009, Rosset and his colleagues created the OsiriX Foundation to promote open-source software in Medicine. A year later the group spun off a new company called Pixmeo to certify OsiriX as a FDA-approved PACS and provide commercial support for OsiriX and other open-source solutions.[3]


In June 2005, the software was awarded "Best Use of Open Source" and runner-up for "Best Mac OS X Scientific Computing Solution" in the Apple Design Awards.[5]


  • DICOM file support
  • DICOM network support
  • Non-DICOM file support, including LSM, BioRadPIC, ANALYZE, TIFF, JPG, PNG, PDF, Quicktime, etc.
  • 2-D viewer
  • 3-D post-processing tools
  • Optimized
  • Extensible

For all features, see the "About" page.

Hardware/software requirements

The installation requirements for OsiriX include[6]:

  • MacOS X 10.8 or higher
  • Intel processor

For best performance, the following memory requirements should be met:

  • 6 GB of RAM if you plan to open more than 800 images (CT & MRI, PET-CT)
  • 8 GB of RAM for more than 1500 images (multi-slice CT & PET-CT) with OsiriX-64 bit
  • 12 GB of RAM for more than 3000 images (cardiac or functional imaging) with OsiriX-64 bit

Videos, screenshots, and other media

Entities using OsiriX

A list of OsiriX users can be found here.

Further reading

External links


  1. 1.0 1.1 "Software Releases: Fri 23 Apr 2004". Mac Aggregate Tracker. Subsume Technologies, Inc. 23 April 2004. http://mat.subsume.com/2004/04/23.html. Retrieved 10 June 2014. 
  2. "OsiriX Imaging Software - About OsiriX...". Pixmeo. http://www.osirix-viewer.com/AboutOsiriX.html. Retrieved 10 June 2014. 
  3. 3.0 3.1 "Chapter 1: Introduction" (PDF). OsiriX User Guide. Pixmeo. pp. 1–3. http://www.osirix-viewer.com/UserManualIntroduction.pdf. Retrieved 10 June 2014. 
  4. "OsiriX". SourceForge. http://sourceforge.net/projects/osirix/. Retrieved 10 June 2014. 
  5. Cohen, Peter (10 June 2005). "WWDC: Apple Design Award 2005 winners announced". Macworld. IDG Consumer & SMB. http://www.macworld.com/article/1045262/design.html. Retrieved 10 June 2014. 
  6. "OsiriX Imaging Software - Downloads". Pixmeo. http://www.osirix-viewer.com/Downloads.html. Retrieved 10 June 2014.