Here are some places where you can look for information about NIRS-KIT: A MATLAB toolbox for both task and resting-state fNIRS data analysis:

Forums
  1. open-discussion: General Discussion
  2. help: Get Public Help
Trackers
  1. Bugs: Bug Tracking System
  2. Support: Tech Support Tracking System
  3. Patches: Patch Tracking System
  4. Feature Requests: Feature Request Tracking System
Wiki
NIRS-KIT: A MATLAB toolbox for both task and resting-state fNIRS data analysis has a wiki that can be found here.