# NGO SRM ROI Calculator > Comprehensive documentation for the NGO Security Risk Management ROI Calculator - a tool for humanitarian organizations to quantify security investment returns ## Docs - [Content references](https://docs.roi4srm.willowflow.group/content-references.md) - [Content scenarios](https://docs.roi4srm.willowflow.group/content-scenarios.md) - [Cross reference validation](https://docs.roi4srm.willowflow.group/cross-reference-validation.md) - [Data schema](https://docs.roi4srm.willowflow.group/data-schema.md) - [Focus group plan](https://docs.roi4srm.willowflow.group/focus-group-plan.md) - [Introduction](https://docs.roi4srm.willowflow.group/index.md): The **NGO Security Risk Management ROI Calculator** is a comprehensive tool designed to help humanitarian and development organizations quantify the financial value of their security investments. This documentation provides complete methodological transparency, implementation guidance, and practical… - [Documentation Library](https://docs.roi4srm.willowflow.group/introduction.md): Explore the full documentation set that accompanies the NGO Security Risk Management ROI Calculator. Each guide is written for NGO practitioners and analysts to ensure transparency, replicability, and pilot readiness. - [Methods note](https://docs.roi4srm.willowflow.group/methods-note.md) - [Pilot pack](https://docs.roi4srm.willowflow.group/pilot-pack.md) - [Quickstart Guide](https://docs.roi4srm.willowflow.group/quickstart.md): This guide will help you get started with the NGO SRM ROI Calculator quickly. You’ll learn the essential concepts and complete your first ROI analysis. - [Validation report](https://docs.roi4srm.willowflow.group/validation-report.md) ## OpenAPI Specs - [openapi](https://docs.roi4srm.willowflow.group/api-reference/openapi.json)