Browse free open source ASP.NET Frameworks and projects below. Use the toggles on the left to filter open source ASP.NET Frameworks by OS, license, language, programming language, and project status.

  • Easily Host LLMs and Web Apps on Cloud Run Icon
    Easily Host LLMs and Web Apps on Cloud Run

    Run everything from popular models with on-demand NVIDIA L4 GPUs to web apps without infrastructure management.

    Run frontend and backend services, batch jobs, host LLMs, and queue processing workloads without the need to manage infrastructure. Cloud Run gives you on-demand GPU access for hosting LLMs and running real-time AI—with 5-second cold starts and automatic scale-to-zero so you only pay for actual usage. New customers get $300 in free credit to start.
    Try Cloud Run Free
  • Stop Storing Third-Party Tokens in Your Database Icon
    Stop Storing Third-Party Tokens in Your Database

    Auth0 Token Vault handles secure token storage, exchange, and refresh for external providers so you don't have to build it yourself.

    Rolling your own OAuth token storage can be a security liability. Token Vault securely stores access and refresh tokens from federated providers and handles exchange and renewal automatically. Connected accounts, refresh exchange, and privileged worker flows included.
    Try Auth0 for Free
  • 1
    FileHelpers Library
    http://www.filehelpers.net The FileHelpers are an easy to use .NET library written in C#. Is designed to read/write data from flat files with fixed length or delimited records (CSV). Also has support to import/export data from different data storages (Excel, Access, SqlServer) Code on GitHub: https://github.com/MarcosMeli/FileHelpers
    Downloads: 0 This Week
    Last Update:
    See Project
  • 2
    FornaxAjaxToolkit
    FornaxAjaxToolkit is a complete library of ASP.net controls for ajax development.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 3
    FuzzyWeb is a lightweight ASP.NET framework that enables developers to quickly build web applications using a Model View Controller (MVC) architecture, resulting in more maintainable and more testable code.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 4

    Growthware

    An AJAX frontend with SQL Server backend.

    moved to https://github.com/Kahiko/Growthware
    Downloads: 0 This Week
    Last Update:
    See Project
  • Gemini 3 and 200+ AI Models on One Platform Icon
    Gemini 3 and 200+ AI Models on One Platform

    Access Google's best plus Claude, Llama, and Gemma. Fine-tune and deploy from one console.

    Build generative AI apps with Vertex AI. Switch between models without switching platforms.
    Start Free
  • 5
    Huinca is a DDD (Domain Driven Design) and .NET software architecture sand box. We will try to find and share best practices for .NET real world software development based on the DDD approach.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 6
    huiwen4net is a .net framework that combined iBATIS.NET,NHibernate,Spring Framework .NET,Lattis ,Maverick.NET,NVelocity,Report.NET,NAnt,NUnit,NMock,Logging framework for .NET and other opensource framework.make developer develop webapp and gui app easyly
    Downloads: 0 This Week
    Last Update:
    See Project
  • 7
    A JavaScript presentation layer framework. It proposes a complete separation of view logic and design. Its components are designed by its role and not by its screen appearance, reducing drastically the API.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 8
    Jasper in an open source, cross-platform web programming framework.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 9
    An attempt to write a full open source bot better than eggdrop, with every single feature, but better.
    Downloads: 0 This Week
    Last Update:
    See Project
  • Try Google Cloud Risk-Free With $300 in Credit Icon
    Try Google Cloud Risk-Free With $300 in Credit

    No hidden charges. No surprise bills. Cancel anytime.

    Use your credit across every product. Compute, storage, AI, analytics. When it runs out, 20+ products stay free. You only pay when you choose to.
    Start Free
  • 10
    KineticTeam is an open source, ASP.NET application portal framework that utilizes Microsoft Ajax. It features authentication, access control, logging, simple document management, user registration, dynamic menus, and more.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 11
    Open source Framework for Management Information System.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 12
    This aims to be an open source ASP.NET survey framework. With user survey creation and question/answer management.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 13
    Lattis is a MVC (Model - View - Controller) based framework for Microsoft .NET Web applications. It provides a FrontController to the application, which delegates user defined actions to specific distributed controller classes.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 14
    LogikBug's IoC Container
    LogikBug's IoC dependency injection container is very light weight. Finding a dependency injection container to suite my needs seemed rather cumbersome. So, I wrote this DI Container to suite my needs and thought I'd put it out for others to use.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 15
    A framework that provides AJAX technologies for web pages created with ASP.NET. It allows developers to easily integrate AJAX support into their pages without replacing the ASP.NET controls and/or writing javascript code.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 16
    ManagedFusion was built on the idea of having a single Web-Portal Core, that handles modules, security, themeing, and localization. A CMS, ERP, or CRM can be easily created with this powerful framework. Mono and .Net are supported.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 17
    MindLib is a set of tools to facilitate projects developed based on NHibernate and NHibernate.Burrow
    Downloads: 0 This Week
    Last Update:
    See Project
  • 18
    Monet Objects is an easy-to-use .NET object-relational mapping library. It allows .NET developers to create applications dealing with persistent objects (relying on a relational database as MySql) without writing a single SQL query.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 19
    Mutis is a Delphi port of the Lucene Search Engine. Provide a flexible API for index, catalog and search text-based information with great performance. Excelent for implement custom search engines, researching, text retrieval, data mining and more.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 20
    A C# .NET Enterprise level web application development platform and common components. Targeting more complex and high scale environments, it provides library as well as common applications such as CMS, Configuration, Security, Web Templating and Menu.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 21
    The NTS CMS, NTSManager, is an ASP.Net (C#) based Content Management System. A high performance app serves web pages directly from RAM. Provides browser-based editing and adding of functionality modules. Developed in SharpDevelop.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 22
    OmniPortal was built on the idea of having a web-portal-kernel, that could handle security, themeing, and localization. This means that you can create any web based system on top of OmniPortal (i.e. ERP, CMS, CRM) easily. Mono and .Net is supported.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 23
    Open Jungo

    Open Jungo

    Open software persistence model

    Open Jungo is a flexible entity persistence model that makes it easy to create object-centric components with minimal coding. Unlike most current entity frameworks, Jungo does not require developers to structure their code in any particular way or specify database structures. Open Jungo supports most major proprietary and open source databases as well as well as a built-in highly efficient zero-configuration object-oriented database systems. It requires no external dependencies and works with all current .Net and Mono frameworks.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 24
    A suite of Open Source controls for ASP.NET. The project's aim is to develop a range of powerful controls for .NET developers that are of commercial quality, but without the cost of commercial products.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 25
    PHPRPC is a Remote Procedure Calling (RPC) protocol that works over the Internet. It is secure and fast. It has a smaller overhead. It is powerful and easy to use. This project is the client and server implementations of the PHPRPC.
    Downloads: 0 This Week
    Last Update:
    See Project
MongoDB Logo MongoDB