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ASP.NET Zero is a Visual Studio solution. It's built based on layered architecture and other software best practices. It provides a SOLID, strong and scalable solution architecture, pre-built pages and much more.
If you have a business idea and want to build a web application, then you can take ASP.NET Zero as your base solution to not waste your time on building common requirements like user, role and permission management, audit logging, setting management, user profile management, localization and so on (see the feature list).
It not only provides many pre-built functionalities, but also makes your daily development work easier by using a complete web application framework: ASP.NET Boilerplate
It also supports multi-tenancy, subscription and payment systems if you want to create a SaaS application.
It's built on already-known tools like ASP.NET Core, Entity Framework, Angular and so on...
It uses the Metronic theme for the user interface.
You get the full source code and can change it freely based on your business requirements!
So, don't waste your time on common requirements, begin to develop your business idea from the first day.
ASP.NET Zero is built by the team behind ASP.NET Boilerplate. So, it's the best UI and application implementation of the framework. Everything in ABP can be directly used in ASP.NET Zero. All the documentation is valid for ASP.NET Zero too. Since ABP has a comprehensive documentation, it will help a lot while developing your application.
ASP.NET Boilerplate website provides a free startup template to simply start with the framework. ASP.NET Zero is a production-ready enterprise-level application base. See the comparison table for differences between the free startup templates and ASP.NET Zero.
Our licenses have product count restrictions. For example, if you buy a Regular license, you can use it to develop one real product/solution. You can create test/demo projects without any restriction. You can also re-create (re-download) the same project whenever you need. However, you should buy higher licenses if you want to develop more than one product/solution using ASP.NET Zero. You can sell your product to any number of customers or deploy to more than one environment. No restriction here.
ASP.NET Zero license also has a developer count restriction. Regular license allows up to 3 developers who are actively working on your ASP.NET Zero based solution. If you have a larger team, you should buy higher licenses.
Notice that the license system only checks during development. It does not check on the production instance, because the license does not have a limit on deployment count. It also does not force you to be connected to the internet both during development and in production.
ASP.NET Zero license includes 1-year upgrade and premium forum support. You will also have access to the GitHub repository and can track the changes on ASP.NET Zero.
After your license period ends, you can continue developing your application and using ASP.NET Zero for a lifetime. Besides, you can always update ASP.NET Boilerplate packages, since they are open-source projects (and will always remain as open-source). Since it's public, you can continue to access all the documentation. But you will not get ASP.NET Zero upgrades anymore and you will not have access to the GitHub repository. Also, your premium forum membership will end. You can get support from the community as always.
You can extend your license by 1 more year for 50% of your purchased license's current price. If you want to extend your license, you should do it within 1 month after your license expires.
We can split updating into 2 parts:
1 - ASP.NET Boilerplate; the framework part. The framework can be easily updated since it's distributed on NuGet. Here's a list of all the NuGet packages:
New releases are generally backward-compatible. If there is a breaking change, we will add it to the release notes and document how to migrate. You can upgrade these NuGet packages even after your license period ends, since they are open source. So, upgrading this part is easy. Just update the NuGet packages.
2 - ASP.NET Zero; the startup template part. Includes UI views and application services.
This part is not developed as a 'closed' framework/library. Since different companies have very different needs, you will want to extend/change the UI for your needs. That's why we call ASP.NET Zero a starter kit/template: All the source code of ASP.NET Zero is in your hands, so you can freely modify it for your needs.
In most cases, you don't have to upgrade if you are happy with your solution. You might even build the same feature yourself before us. If you like the new features, you should adapt the changes to your existing solution. In this case, the GitHub repository will help you much (github.com/aspnetzero/aspnet-zero, requires purchasing ASP.NET Zero to access). You can compare releases and copy the changed parts to your solution. For example, assume that we enhanced the Audit Logs page with new features and you want to get these new awesome features. If you did not change this page, you can directly replace your page and related classes. If you did change it, then you can see the changes on GitHub and merge the changes into your code. We also advise you to review each commit to check if it's needed for you, because some of them can be bug-fixes.
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