--- title: "ASP.NET Zero – .NET Web App Framework with Full Source Code for Enterprises" description: "Ship enterprise .NET apps in weeks, not months. The battle-tested application foundation with multi-tenancy, authentication and full source code, trusted by leading enterprises in 120+ countries since 2013." url: "https://aspnetzero.com/" image: "https://aspnetzero.com/Images/common/open-graph/general.png" --- Application foundation for enterprise .NET · since 2013 # Ship enterprise .NET apps in weeks, *not months.* The battle-tested application foundation with multi-tenancy, authentication, and full source code, trusted by leading enterprises in 120+ countries since 2013. [Live Demo](https://aspnetzero.com/Demo) [Talk to an Expert](https://aspnetzero.com/schedule-meeting) 30-day money-back guarantee. Full source code. One-time license: no runtime fees, no per-user pricing. Your app on ASP.NET Zero: auth, multi-tenancy and billing already built. Trusted by leading enterprises worldwide, from Microsoft and NASA to national defence agencies and the world’s largest professional services firms. [![Microsoft](https://aspnetzero.com/Images/common/proud-to-work-with/microsoft.svg)](https://www.microsoft.com/ "Microsoft") [![NASA](https://aspnetzero.com/Images/common/proud-to-work-with/nasa.svg)](https://www.nasa.gov/ "NASA") [![Comcast](https://aspnetzero.com/Images/common/proud-to-work-with/comcast.svg)](https://corporate.comcast.com/ "Comcast") [![AT&T](https://aspnetzero.com/Images/common/proud-to-work-with/att.svg)](https://www.business.att.com/ "AT&T") [![Dekra](https://aspnetzero.com/Images/common/proud-to-work-with/dekra.svg)](https://www.dekra.com/ "Dekra") [![U.S. Department of State](https://aspnetzero.com/Images/common/proud-to-work-with/seal-of-the-united-states-department-of-state.svg)](https://www.state.gov/ "U.S. Department of State") [![National Defence Canada](https://aspnetzero.com/Images/common/proud-to-work-with/department-of-national-defence-canada.svg)](https://www.canada.ca/en/department-national-defence.html "National Defence Canada") [![UiPath](https://aspnetzero.com/Images/common/proud-to-work-with/ui-path.svg)](https://www.uipath.com/ "UiPath") [![Rolls Royce](https://aspnetzero.com/Images/common/proud-to-work-with/rolls-royce.svg)](https://www.rolls-roycemotorcars.com/ "Rolls Royce") [![PwC](https://aspnetzero.com/Images/common/proud-to-work-with/price-waterhouse-coopers.svg)](https://www.pwc.com/ "PwC") 10K+ Customers worldwide 120+ Countries in production 2013 In continuous development since 100+ Releases shipped Why ASP.NET Zero ## Skip months of groundwork. Start with your product. Every enterprise application needs the same foundation before its first real feature. ASP.NET Zero hands it to you, proven in production and fully yours. - Design login, two-factor and single sign-on - Build tenant isolation, editions and trials - Wire up subscriptions and recurring payments - Create admin screens, settings and audit logs - Keep all of it secure and upgraded, on your own * Authentication, 2FA and SSO, already built * Multi-tenancy and editions, ready to configure * Stripe and PayPal subscriptions included * Admin UI, settings and audit logs out of the box * Maintained against every .NET release since 2013 AI foundation ## AI writes your features. *ASP.NET Zero guarantees your foundation.* AI coding tools are fast, but they generate unproven authentication, multi-tenancy, and billing code. ASP.NET Zero gives your AI agent a battle-tested foundation, so it only writes the features that make your product unique. 01 Proven auth, multi-tenancy & billing your AI doesn't have to reinvent 02 AI rulesets, skills & workflows pre-configured for Cursor, Claude Code, GitHub Copilot, Windsurf & Antigravity 03 An opinionated, layered architecture that keeps AI-generated code consistent and maintainable [Discover AI Features →](https://aspnetzero.com/AI) Pre-configured for Cursor, Claude Code, GitHub Copilot, Windsurf & Antigravity Power Tools ## From a database table to a working UI in minutes Define an entity once and Power Tools generates the domain layer, API, and UI following ASP.NET Zero conventions: code that looks like your team wrote it. **Product.cs** ```csharp public class Product : FullAuditedEntity, IMustHaveTenant { public int TenantId { get; set; } [Required, StringLength(128)] public string Name { get; set; } public decimal UnitPrice { get; set; } public ProductStatus Status { get; set; } } // power tools → generate ``` One run generates - Entity, - *DTOs* , - App Service, - Permissions, - EF Migration, - *Unit Tests* , - Angular, - React, - MVC, - *.NET MAUI* , - Localization. Entity, DTOs, application service, permissions, EF Core migration and tests in one run Angular, React, MVC & jQuery and .NET MAUI pages from the same definition Import existing tables from SQL Server, PostgreSQL, MySQL or Oracle No AI credits burned on boilerplate. Save your tokens for business logic [Explore Power Tools →](https://aspnetzero.com/powertools) Frontend ## Choose your UI framework Pick the frontend that fits your team. Same proven backend underneath. ![](https://aspnetzero.com/Images/uis/angular.svg) Angular Full Angular SPA with lazy modules, typed API clients and the shared admin shell. [Explore →](https://aspnetzero.com/angular) ![](https://aspnetzero.com/Images/uis/react.svg) React Modern React app with hooks, typed services and the same permission model. [Explore →](https://aspnetzero.com/react) ![](https://aspnetzero.com/Images/home/based-familiar-tools/net-core.svg) MVC & jQuery Server-rendered Razor pages when your team wants a single deployable app. [Explore →](https://aspnetzero.com/mvc) What’s inside ## Everything a production system needs, on day one Not a template you outgrow. An architecture your team keeps building on, release after release. [See All Features →](https://aspnetzero.com/features) 01 SOLID architecture Layered, DDD-oriented structure with clear boundaries between domain, application and presentation. 02 Built-in multi-tenancy Tenant isolation, subscriptions and per-tenant configuration wired through the whole stack. 03 Advanced auth & authorization Two-factor, social logins, OpenID Connect, LDAP, granular permissions and roles. 04 Rapid application development Power Tools code generation, conventions and tests that keep delivery speed high. 05 Full source code included Read it, change it, own it. No compiled black boxes, no runtime dependency on us. 06 Continuous updates Maintained against every .NET release since 2013, with a documented upgrade path. For teams & leaders ## Built for teams. Trusted by leadership. For development teams - Layered, extensible architecture, no black boxes - Full source code you can read, change, and own - Familiar stack: .NET, EF Core, Angular/React - Direct access to the team that builds the product For engineering leaders - Lower long-term maintenance cost than in-house or AI-generated foundations - Security & audit-ready: authentication, authorization and audit logging proven in production for a decade - No vendor lock-in, no runtime fees, no per-user pricing: a one-time license, and the code stays with your team - Sustainable architecture that survives team changes [Weighing this against building it yourself? →](https://aspnetzero.com/build-vs-buy) Customers > “It gave us a production-grade starting point instead of a year of plumbing. We could focus entirely on our own product logic.” ![Chocolatey](https://aspnetzero.com/Images/Screenshots/Customers/chocolatey-logo.svg) Rob Reynolds, Founder Chocolatey · United States [Read Customer Stories →](https://aspnetzero.com/customer-stories) 6+ months of development saved I am glad we discovered ASP.NET Zero, saving us months of development and testing time. Ed Arib, Manager of Public Safety Application Development · City of Portland 50% lower development cost We can focus our efforts on our own products instead of building basic features like accounts and language support. Dennis Holmer, CTO & Co-founder · Zwapgrid, Sweden Recognised by [![Capterra Shortlist 2025](https://aspnetzero.com/Images/common/rating/capterra-2025.svg)](https://www.capterra.com/application-development-software/shortlist/) [![Capterra Shortlist 2024](https://aspnetzero.com/Images/common/rating/capterra-2024.svg)](https://www.capterra.com/app-building-software/shortlist/) [![GetApp Category Leaders](https://aspnetzero.com/Images/common/rating/get-app.svg)](https://www.getapp.com/development-tools-software/application-builder/category-leaders/) [![Software Advice FrontRunners](https://aspnetzero.com/Images/common/rating/software-advice.svg)](https://www.softwareadvice.com/app-building/#frontrunners) ## Start from a foundation that’s *already proven.* Explore the live demo, or talk to our team about your architecture. [Live Demo](https://aspnetzero.com/Demo) [Talk to an Expert](https://aspnetzero.com/schedule-meeting) 30-day money-back guarantee