NOTE: The development of Slicer 3 has been discontinued. Slicer 4 is now the recommended platform for both users and developers.

Mailing Lists

We have a users and a developers mailing list. Please subscribe before posting to the list or your message will not be sent.

To subscribe to the mailing lists or view the archives of past messages:

Please note: to avoid spam, only subscribers are allowed to post to these mailing lists. Due to the volume of spam, non-subscriber postings will be ignored.

Archives of past postings are available here:

Searchable archives since December 2009 on are available here:

Feature Request and Bug Reports

Use the Slicer Bug Tracker to record feature requests and to report bugs. You can choose between Slicer2, Slicer3, and Slicer4 in the upper right.