OpenIGTLink newpage

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The OpenIGTLink protocol is simple but extensible data format and protocol for seamless network communication among software and devices used in image-guided therapy (IGT) including surgical navigation software, tracking devices, robotic devices, and imaging scanners. The OpenIGTLink protocol is supported in NA-MIC's medical image processing and visualization platform 3D Slicer.

Recent updates..

OpenIGTLink concept.png


The OpenIGTLink protocol was originally developed in 2008. Currently, the extended protocol is being drafted and will be released as protocol version 2 early 2011. The OpenIGTLink protocol is backward compatible, in the sense that all messages generated by software with OpenIGTLink version 1 interfaces can be imported by software with version 2 interfaces.

Version 1

Version 2 (in draft)

Extended Protocols


Reference Library

Interfaces / Software


Please see the list of hardware that support The OpenIGTLink Protocol.





New BSD license ©2008 Insight Software Consortium

Mailing List / Contact

We are launching the OpenIGTLink mailing list ( If you would like to join, please subscribe from OpenIGTLink ML Info Page or send Junichi Tokuda (tokuda at a message with:

  • Your name
  • e-mail address you would like to use to post and receive ML articles
  • Affiliation
  • Your research topic