HADES is developed and maintained by the HADES Workgroup of the OHDSI community.

Online discussions

Online discussions can take place in the HADES Teams or on the OHDSI forums.


The HADES workgroup has regular meetings. Meetings are open to all, and will be held on the third Thursday of the month.

Next HADES meeting

Date: January 21, 2021

Time (DST where appropriate):

  • 6pm Central European time
  • 5pm UK time
  • 12pm (noon) Eastern Time (New York / New Jersey / Pennsylvania)
  • 9am Pacific Time (Los Angeles / Stanford)

Teams meeting details:

URL: Join Microsoft Teams Meeting

Prior meetings


  • December 17: GitHub Actions, System Requirements, CDMv6, Communication. Notes.

  • November 19: Study packages & CDM v6. Notes.

  • October 15: HADES kickoff, versioning and releasing. Notes, slides, and recording.