These are open-source projects that Washington University in St. Louis has started or is affiliated with.
This list is still under construction, so feel free to contribute!
i2bmi: Biomedical Informatics toolkit by Institute for Informatics at Washington University School of Medicine in St. Louis
https://github.com/abraxasyu/i2bmi
Source code for publications can be found here:
https://cigroup.wustl.edu/publications/open-source/
Work for the Human Connectome Project at Washington University School of Medicine
https://github.com/Washington-University
Source code is available here:
https://nrg.wustl.edu/software/