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

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    MongoDB Atlas runs apps anywhere

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    Custom VMs From 1 to 96 vCPUs With 99.95% Uptime

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  • 1
    This application was first designed to allow the creation of XML files based on .Net assemblies. But the developer (me) was out of time and there are some good XML free tools (like Eclipse) that can read XSD files, and allow you to create good XML files.
    Downloads: 0 This Week
    Last Update:
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  • 2
    The Cedar Framework is a project the aim of which is to create a versatile C# library for Microsoft .NET developers (both Open Source and commercial) whose primary concern are desktop applications.
    Downloads: 0 This Week
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  • 3
    SubProjects: 1 - Universal .NET data connector; 2 - Universal Data Table; 3 - Universal Dynamic Data Table; 4 - EvoORM;
    Downloads: 0 This Week
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  • 4
    EIDNative Library is a freeware SDK for Belgian Electronic ID Card. EIDNative Library includes native API for: * Microsoft .NET * Native Win32 * Visual Basic 6.0 and VBA * Java (only Windows platform)
    Downloads: 0 This Week
    Last Update:
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  • Fully Managed MySQL, PostgreSQL, and SQL Server Icon
    Fully Managed MySQL, PostgreSQL, and SQL Server

    Automatic backups, patching, replication, and failover. Focus on your app, not your database.

    Cloud SQL handles your database ops end to end, so you can focus on your app.
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  • 5
    Etch is a cross-platform, language- and transport-independent framework for building and consuming network services. With Etch, service development and consumption becomes no more difficult than library development and consumption.
    Downloads: 0 This Week
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  • 6
    A C# client library for the official Facebook Developer API. Provides wrappers for all current functions and interprets XML response data. This project is based largely on the VB.NET client developed by Jay Lagorio. It can be found at: http://sga.umbc.ed
    Downloads: 0 This Week
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  • 7
    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
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  • 8
    Provides a common set of tools (persistence, validation, security, logging, etc.) for developing .NET applications.
    Downloads: 0 This Week
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  • 9
    NeuronDotNet is a neural network engine written in C#. It provides an interface for advanced AI programmers to design various types of artificial neural networks and use them.
    Downloads: 0 This Week
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  • Veeam Data Platform v13.1 Icon
    Veeam Data Platform v13.1

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  • 10
    Odyssey Melissa is a Framework that gives applications a large extensibility library and access to Reflection tools.
    Downloads: 0 This Week
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  • 11
    PocketGraphics is a 100% managed assembly graphics library for the Pocket PC environment. It uses either GAPI or the raw framebuffer for increased speed.
    Downloads: 0 This Week
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  • 12
    RPGWorldModel is an object-oriented, abstract framework for creating world models for RPG/MMORPG games. It contains both high level, abstract objects as well as some basic implementation, but most important, it allows extentions to be made by developers!
    Downloads: 0 This Week
    Last Update:
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  • 13
    UADL is a collection of Windows DLLs that enable a developer to easly create complex applications. It includes a very powerful Game Engine [C++], Network Support [C#], and various other tools [C++/C#] to ease almost any development project.
    Downloads: 0 This Week
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  • 14
    WiiGLELib = Wiimote Gesture Learning Environment Library. It provides a framework for the classification/recognition of the Wii controller gestures.
    Downloads: 0 This Week
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