Some tools born from practical needs during the analysis of ROI-to-ROI functional connectivity using the excellent CONN Toolbox.
1) Extract and plot brain networks connectivity matrix
Automatize the extraction and plotting of brain networks connectivity matrix from CONN results folder, using either Matlab or Python
2) Plot BOLD denoised timeseries of a pair of ROIs and compute the correlation coefficient
Tutorial & Examples
Please go on my website for some tutorials about these functions