i2b2 is an open-source clinical data warehousing and analytics research platform used at over 250 locations worldwide. i2b2 enables sharing, integration, standardization, and analysis of heterogenous data from healthcare and research.
The i2b2 Community is a life-sciences-focused open-source, open-data community. This wiki is the central place for the i2b2 Community to communicate and share projects with other users. Here you will find the latest information on the i2b2 Software, what others in the community are doing, and find resources to help answer any questions you may have about the i2b2.
i2b2 is part of the i2b2 tranSMART Foundation, which brings together an NIH-funded enterprise clinical research platform (i2b2) and pharma-developed software for translational research studies (tranSMART).

Documentation	Get Software	Current Announcements
		09/2025: i2b2 release 1.8.2 available! Enhanced Data Export extension for i2b2 with: User-designed analytic tables Table designer plugin Data Export Manager ACT Version 4.2 Ontology Digital Twin Bundle User session log rotation (performance enhancement) Faster patient counting scripts (for all databases) Enhancements and bugfixes

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1.7.13 Release and Classic webclient downloads are available at i2b2 Software Downloads Links - All Releases

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Consortium for Clinical Characterization of Covid-19 by EHR (4CE)

4CE is an international consortium for electronic health record (EHR) data-driven studies of the COVID-19 pandemic. The goal of this effort—led by the i2b2 international academics users group—is to inform doctors, epidemiologists and the public about COVID-19 patients with data acquired through the health care process.

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Consortium for Clinical Characterization of Covid-19 by EHR (4CE)

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