Here are some places where you can look for information about JIST: Java Image Science Toolkit:

Forums
  1. open-discussion: General Discussion
  2. help: Get Public Help
Trackers
  1. Bugs: Bug Tracking System
  2. Feature Requests: Feature Request Tracking System
  3. Support: Request help
  4. Announce: Submit Items for the JIST News Feed
Wiki
JIST: Java Image Science Toolkit has a wiki that can be found here.