Open Source Initiative

Open Clinical Decision Support for Immunizations

OpenCdsi is building a transparent, open-source CDSi engine to assist in powering the next generation of healthcare software.

Core Artifacts

Key outputs from the OpenCdsi project

VaxEngine

VaxEngine is a CDSi evaluation and forecast engine. It was developed against the Logic Spec for AICP Recommendations v4.6. It has been tested against the 1064 conformances tests in the Healthy Childhood and Adult v4.46 corpus.

GitHub Repository

Mobile App

The mobile app runs on Android and illustrates how to use the OpenCdsi.VaxEngine in a .NET MAUI application.

GitHub Repository
Download the APK →

Latest News

The Mobile App Is Live September 05, 2026
I’ve added a demonstration app to the OpenCdsi project. It is an Android, off-line first vaccine forecasting tool for clinicians.

OpenCdsi Has a New Website! August 27, 2026
I got tired of the old site so I built one with a little more pizzazz. Or is that “rizz?”

View All Blog Posts →

Contact Us

  • info@opencdsi.org