Are there any Electronic Data Capture (EDC) platforms other than REDCap that may be used at no cost for large multicenter COVID-19 studies?

I am in the process of starting a prospective multicenter COVID-19-related study. I would like to know if there are any other Electronica Data Capture (EDC) softwares that may be used for free...

30 November 2020 7,233 2 View