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This is the home for open source developed by the Major Extremity Trauma Research Consortium (METRC) at the Johns Hopkins Bloomberg School of Public Health. Learn about our mission and studies at https://www.metrc.org/


Browser Extension for REDCap

A simple web browser extension that allows you to rapidly navigate between REDCap projects, records, and servers. Read more…


Calendar Export for REDCap

This external module allows you to select scheduled events in REDCap and export them to an ICS format. Unlike the built-in functionality of REDCap, this allows you to select the events you want exported. Available in the REDCap External Module Repository. Licensed under the MIT License. Source code available at https://github.com/metrc/redcap-calendar-export


Data Quality Export for REDCap

This external module allows you to select multiple data quality reports and export them as CSV. Available in the REDCap External Module Repository. Licensed under the MIT License. Source code available at https://github.com/metrc/redcap-dq-export


Data Quality Rule Trigger for REDCap

This external module allows you to execute calculations on data quality rules. Available in the REDCap External Module Repository. Licensed under the MIT License. Source code available at https://github.com/metrc/redcap-dq-trigger


EmbeddedPDF for REDCap

This external module allows you to embed a PDF of one form’s data inside another form. Useful for reviewing data from a previous form while filling out a new form. Available in the REDCap External Module Repository. Licensed under the MIT License. Source code available at https://github.com/metrc/redcap-embedded-pdf


REDCap Branching Logic Parser

This Python library automatically parses the REDCap platform’s branching logic strings. In REDCap, instruments contain fields (i.e. ‘variables’) which may be displayed conditionally using their branching logic parameter. This function is often used to conceal irrelevant questions in an instrument, or to direct (i.e. branch) the question-flow. Licensed under the GPL-3. Available at https://github.com/metrc/redcap-branch-parser