Avenir Health is a policy and research organization that develops, supports and implements projection models to improve public health globally. Our clients include ministries of health, international organizations, university partners and corporate clients. Please visit our website to learn more about the full breadth of our activities: www.avenirhealth.org
The Spectrum Beta web page is a site where our models are shared while they are under development. We strongly recommend that end users visit the Avenir Health software page to obtain current, release versions: Software downloads
We invite you to download a list of revisions and update: Version history. This file notes all revisions to Spectrum since its inception in 1997.