Below is a sampling of some of the MHS’ Open Source Software available to the public, at no cost.

OpenAHLTA

What is OpenAHLTA?

• Open source version of the DOD’s battlefield electronic health record system (AHLTA-Theater)
• Runs on an “open source” basis thanks to a specially negotiated license agreement with original developer Northrop Grumman Systems Corporation
• Operates on a laptop or in a client server environment
• Supports laptop documentation of clinical care whether connected to a network or as a stand-alone
• Utilizes a unique “store and forward” capability that allows data to be housed on a local database until connectivity is restored and transmission is possible

Download or learn more about OpenAHLTA

Download OpenAHLTA (GitHub)

OpenHDD

What is OpenHDD?

• Makes 3M’s Health Data Dictionary available to the public to study, use, change, improve, and share freely
• Developed for the MHS by 3M
• Standardizes the way that the medical community records and tracks details of patient medical history
• Standardizes medical coding by streamlining multiple sets of similar terminology
• Finds the same code in multiple different languages and gives the data a new "identifier" or code to create a consistent nomenclature
• Supports achieving semantic interoperability for electronic health records

Download or learn more about OpenHDD

SEMOSS

What is SEMOSS?

• Java-based semantic open source analytics environment
• Developed by the MHS to support evaluating existing health IM/IT solutions for transition to the future-state electronic health record
• Allows users to load data and explore its surrounding context
• Converts excel data into graphs for multi-dimensional analysis
• Consumes data from multiple repositories in multiple formats
• Includes interactive graphics, customizable charts, as well as roll-up and drill-down visualizations
• Leverages cluster algorithms, transitivity, time-series latency analysis, and optimization analysis

Download or learn more about SEMOSS