# Subscrio > Subscrio is an open-source entitlement engine for software products. It turns plans, packages, purchases, and customer agreements into runtime feature access, values, limits, and overrides. ## Product and category - Home: https://subscrio.com/ - Open-source entitlement engine: https://subscrio.com/open-source-entitlement-engine/ - Feature entitlements: https://subscrio.com/feature-entitlements/ - Admin application: https://subscrio.com/admin/ ## Implementation - Feature gating library: https://subscrio.com/feature-gating-library/ - Subscription feature gating: https://subscrio.com/subscription-feature-gating/ - .NET entitlement library: https://subscrio.com/dotnet-entitlement-library/ - TypeScript entitlement library: https://subscrio.com/typescript-entitlement-library/ - Entitlement concepts: https://subscrio.com/docs/concepts/entitlements/ ## Comparisons - Stripe Entitlements alternative: https://subscrio.com/stripe-entitlements-alternative/ - Feature flags vs. entitlements: https://subscrio.com/feature-flags-vs-entitlements/ - Entitlements vs. authorization: https://subscrio.com/entitlements-vs-authorization/ ## External technical sources - Documentation: https://docs.subscrio.com - Source: https://github.com/jasenf/subscrio - npm: https://www.npmjs.com/package/subscrio - NuGet: https://www.nuget.org/packages/Subscrio.Core