There are several mailing lists affiliated with ImageJ:
- ImageJ – For general user and developer discussion about ImageJ
- ImageJX – For highly technical and "big picture" developer discussion, fleshing out broad future development ideas
- ImageJDev – For communication within the ImageJDev project, coordinating effort and assigning tasks to the development team
- Fiji users – For user discussion specific to Fiji (rather than core ImageJ)
- Fiji developers – For developer discussion specific to Fiji (rather than core ImageJ)
