Browse free open source C# Object Oriented Software and projects below. Use the toggles on the left to filter open source C# Object Oriented Software by OS, license, language, programming language, and project status.

  • Auth for GenAI | Auth0 Icon
    Auth for GenAI | Auth0

    Enable AI agents to securely access tools, workflows, and data with fine-grained control and just a few lines of code.

    Easily implement secure login experiences for AI Agents - from interactive chatbots to background workers with Auth0. Auth for GenAI is now available in Developer Preview
    Try free now
  • Build Securely on Azure with Proven Frameworks Icon
    Build Securely on Azure with Proven Frameworks

    Lay a foundation for success with Tested Reference Architectures developed by Fortinet’s experts. Learn more in this white paper.

    Moving to the cloud brings new challenges. How can you manage a larger attack surface while ensuring great network performance? Turn to Fortinet’s Tested Reference Architectures, blueprints for designing and securing cloud environments built by cybersecurity experts. Learn more and explore use cases in this white paper.
    Download Now
  • 1
    Component (library, framework) refactoring may affect existing applications, where the client code used previous component versions. Our tool preserves applications binary-compatible by generating an adaptation layer out of change history.
    Downloads: 2 This Week
    Last Update:
    See Project
  • 2
    DBLGen is a generic plugin-based code generator written in C#.NET that reads database schemas and generates text code for any programming language. It uses StringTemplate as its main export plugin. Currently supports MS SQL Server and MS Access.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 3
    Jet Business Automation Technology. A framework to empower routine data structure patterns like table-per-class binding and multiversion documents with single application point. Stored procedure based business logic, metadata store, UI binding.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 4
    An Object Relational Mapping (ORM) System Based on Scott Ambler's designs. Koan has a powerful and highly extensible code generation system and is designed for production use within an enterprise environment.
    Downloads: 0 This Week
    Last Update:
    See Project
  • Gen AI apps are built with MongoDB Atlas Icon
    Gen AI apps are built with MongoDB Atlas

    The database for AI-powered applications.

    MongoDB Atlas is the developer-friendly database used to build, scale, and run gen AI and LLM-powered apps—without needing a separate vector database. Atlas offers built-in vector search, global availability across 115+ regions, and flexible document modeling. Start building AI apps faster, all in one place.
    Start Free
  • 5
    This is a plugin for Resharper that adds intellisense for the NMock2 mocking framework to Visual Studio.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 6
    .NET 2.0 reflection-to-cache-based library, with an ASP.NET UI generation feature. Uses Dynamic IL to generate VERY fast accessors to properties, and allows direct get and set of objects to controls that allow for their edit or display in ASP.NET forms
    Downloads: 0 This Week
    Last Update:
    See Project
  • 7
    A None-UML Object Oriented Visual Design, Code, Test and Maintenance Tool
    Downloads: 0 This Week
    Last Update:
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