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ImageJ community members are often available via a couple of different chat services.

If you have image analysis questions, it is better to use the Forum, rather than chat rooms. Most of the ImageJ community’s image analysis experts frequent the Forum, not live chat rooms.


The Gitter chat service, while relatively new, is a great way to discuss programming issues with developers of the SciJava component collection. All you need is either a GitHub or Twitter account. Advantages of Gitter include a nice “21st century” web interface, email notification when participants miss messages, and a full searchable history.

Logo Project Chat rooms
ImageJ2 imagej
Fiji fiji
KNIME knime-ip
ImgLib2 imglib
SCIFIO scifio
SciJava scijava


Some community members frequent IRC on, in chat rooms:

Channel Description Chat logs
#imagejdev Core ImageJ development discussion. imagejdev logs
#fiji-devel Fiji user and developer discussion and questions. fiji-devel logs

Advantages of IRC include anonymity, and maximum compatibility with a huge variety of existing chat clients.