--- title: "OSCAL Viewer" slug: "oscal-viewer" updated: 2026-03-18T14:47:36Z published: 2026-03-23T14:21:52Z canonical: "docs.oscal.io/oscal-viewer" --- > ## Documentation Index > Fetch the complete documentation index at: https://docs.oscal.io/llms.txt > Use this file to discover all available pages before exploring further. # OSCAL Viewer ## Welcome to the home of OSCAL Viewer! The team at [OSCAL.io](https://oscal.io/) believes transparency and accessibility are key for growing the OSCAL community, as a result, the **OSCAL Viewer**, a publicly accessible web application has been developed. The viewer allows for users to visually browse and explore OSCAL documents in a human-readable format. The OSCAL viewer requires no installation, allowing users to open any registry document directly in the viewer with a single click. The viewer supports all 7 OSCAL models: - [Catalogs](https://pages.nist.gov/OSCAL/learn/concepts/layer/control/catalog/) - [Profiles](https://pages.nist.gov/OSCAL/learn/concepts/layer/control/profile/) - [Component Definitions](https://pages.nist.gov/OSCAL/learn/concepts/layer/implementation/component-definition/) - [SSPs](https://pages.nist.gov/OSCAL/learn/concepts/layer/implementation/ssp/) - [Assessment Plans](https://pages.nist.gov/OSCAL/learn/concepts/layer/assessment/assessment-plan/) - [Assessment Results](https://pages.nist.gov/OSCAL/learn/concepts/layer/assessment/assessment-results/) - [POA&Ms](https://pages.nist.gov/OSCAL/learn/concepts/layer/assessment/poam/) ## Key Features - View OSCAL documents in a structured, human-readable format - Load documents by drag-and drop or URL - Navigate complex documents on desktop or mobile - View all seven model types with purpose-built layouts - Works hand-in-hand with the registry - Fully open source: [https://github.com/EasyDynamics/oscal-viewer](https://github.com/EasyDynamics/oscal-viewer) ## Start Here - [The Case for an OSCAL Viewer](/v1/docs/the-case-for-an-oscal-viewer) - [Getting Started with the OSCAL Content Registry](/v1/docs/getting-started-with-oscal-viewer)