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

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  • 1
    Funkit is a .NET/Mono library written in C# filled with portable “pre-coded” functions, methods, classes, and other goodies to make your programming life easier and develop faster.
    Downloads: 0 This Week
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  • 2
    GLSVe
    The Graphics Library Stereo Vision Engine (GLSVe) is a open-source C# library based on OpenGL. It is designed to facilitate the creation of computer graphics and 3D virtual reality prototypes incorporating stereoscopic representation.
    Downloads: 0 This Week
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  • 3

    GLWaveLoad

    OBJ Load & Display Library

    A library to simplify loading and rendering .OBJ models with OpenTK.
    Downloads: 0 This Week
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  • 4
    This project uses massively parallel Graphics Processing Units(GPU) for neural network(Backpropagation) purposes.
    Downloads: 0 This Week
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  • 5
    Game Toolbox is a C# assembly designed to facilitate the creation of games and game prototypes. It contains no graphics code, does not depend on XNA, and is Mono-compatible. It provides implementations of A*, GOAP, a genetic algorithm, and more.
    Downloads: 0 This Week
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  • 6

    Garmin Connect API

    Unofficial C# Garmin Connect Website API.

    An API being developed in order to retrieve data from the Garmin Connect website. Original use was to enable easily uploading workout data to MyFitnessPal.
    Downloads: 0 This Week
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  • 7

    GenericTree

    A library for building graphical trees in C#

    This project contains functionality, written in C#, for creating graphical trees in C#. The kind of trees that you could create using this library is organizational trees and family trees (genealogy) e.g
    Downloads: 0 This Week
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  • 8

    Gesfirma-listcerts

    List user certificates for sign. Return JSON data.

    Executable windows file command line on C#.NET (.NET 4.0). Source code and Executable code. List user certificates for sign. Return JSON data. MIT License on code. Microsoft .NET license on executable file. Help for developers in a Windows environment who do not work with .NET development tools, and need a list of user certificates available in JSON format to be able to deal with it in their development.
    Downloads: 0 This Week
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  • 9
    Contains a base class AsynchronousOperation which allows you to start long-running operations on a separate thread from the UI whilst providing meaningful progress information to the UI without the UI needing to know anything about the internal implementation of the operation being run.
    Downloads: 0 This Week
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  • 10
    Glimpse Plotting Library

    Glimpse Plotting Library

    WPF Plotting Library

    Glimpse is a .NET 4.6 plotting library for WPF projects. It currently contains five classes: a scatter plot, a line graph, an histogram, a raster plot to display matrix data and a tree plot to visualize recursive XML data. Main attributes can be customized through the respective constructors, additional changes are available through public properties. To use the packaged classes just reference the library in your project, instantiate a new plot and add it to a display container of your choice.
    Downloads: 0 This Week
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  • 11
    Going.Plaid

    Going.Plaid

    Plaid API .NET library

    Going.Plaid is a library for interacting with Plaid's banking APIs. See their documentation here. It is supported for .net standard 2.0, .net core 3.1, and .net 5.0+.
    Downloads: 0 This Week
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  • 12

    GxApp

    Open Utilities and/or Examples for GeneXus

    Open utilities and/or examples for GeneXus, this includes: Example procedures Usercontrols Utilities Others...
    Downloads: 0 This Week
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  • 13
    HTML++

    HTML++

    Object-oriented generation of HTML code on .NET 4 Client Profile

    This library allows you to generate HTML pages directly from your code in a strongly typed, compositional, safe and concise manner. Requires the .NET Framework 4 Client Profile only. It is licensed under LGPL, which means that you may use it in commercial products. The project logo is from Mariano Real, who kindly provided it under a Creative-Commons license.
    Downloads: 0 This Week
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  • 14

    Hack Library Project

    Advanced DLL for Hackers and Newbie

    Hack Library Project is an advanced DLL written in C# that consist in a fast execution of most popular commands utilized by hackers. It's the most simple "DLL Hack" that existing on the world.
    Downloads: 0 This Week
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  • 15
    Making Hebrew properly searchable by IR software. Right now, most work is being done in our mailing list (planning), and on our github repository (concept code, see below).
    Downloads: 0 This Week
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  • 16
    Platform Independent DotNet Helpers Library based on DotNet Standard v1.4 contains some of the useful methods and codes to make C#, VB.Net languages and other DotNet languages easier in control and development.
    Downloads: 0 This Week
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  • 17
    Hymnal Xamarin

    Hymnal Xamarin

    New version of the adventist hymnal multi-platform and multi-language

    Hymnal Xamarin is an open-source Xamarin application for accessing hymnals, providing a simple and intuitive interface for worship.
    Downloads: 0 This Week
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  • 18
    IPNetwork

    IPNetwork

    IPNetwork command line and C# library take care of complex network

    IPNetwork is a command-line tool and C# library for IP network calculations. It helps .NET developers work with IPv4, IPv6, CIDR, netmasks, subnets, and supernets. The library can parse networks and calculate values such as network address, CIDR, netmask, broadcast, first usable address, last usable address, and total address count. It also supports containment and overlap checks, which are useful for validation, routing tools, firewall rules, and network planning. The project provides a clean API and is fully unit-tested. It is especially helpful when applications need reliable IP math without custom networking logic.
    Downloads: 0 This Week
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  • 19
    ImageListView
    ImageListView is a .NET control for displaying a list of image files with asynchronously loaded thumbnails. Requires .NET framework 2.0.
    Downloads: 0 This Week
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  • 20
    IronMeta is an implementation of Alessandro Warth's OMeta metaprogramming system in C#. It provides a packrat parser generator that generates parsers for Parsing Expression Grammars that operate on arbitrary streams of objects.
    Downloads: 0 This Week
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  • 21

    JSONLIB

    JSON made simple for .NET

    JSON data manipulation library, built for simplicity. Create JSON object from common data types (array, list and dictionary). Parser is based on regular expressions and can handle nested structures. Access data using implicit typecast. Tutorial with all examples included. For details visit Wiki section. New in v2.0.0: Added serialization and deserialization methods!!!
    Downloads: 0 This Week
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  • 22
    JSRHookSystem

    JSRHookSystem

    JSRHookSystem is a hooking system for your .NET applications.

    JSRHookSystem is a hooking system for your .NET applications. You can set a keyboard hook and a mouse hook with this system. The source comes with a testing application. It's compiled with .NET framework 2.0.
    Downloads: 0 This Week
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  • 23
    JSRSettings

    JSRSettings

    A new way to store your settings.

    JSRSettings is a .NET library (.dll), it's a new way to store your application's settings. It's easy to use and easy to maintain. It requires the .NET framework 3.5. You can re-compile it with any other framework versions if you want. I need suggestions for the upcoming versions!
    Downloads: 0 This Week
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  • 24

    Java Jar Manager

    Classpath Jar manager

    Simple program to manage libraries jar.
    Downloads: 0 This Week
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  • 25
    Jurassic

    Jurassic

    A .NET library to parse and execute JavaScript code

    Jurassic is an implementation of the ECMAScript language and runtime. It aims to provide the best performing and most standards-compliant implementation of JavaScript for .NET. Jurassic is not intended for end-users; instead it is intended to be integrated into .NET programs. If you are the author of a .NET program, you can use Jurassic to compile and execute JavaScript code.
    Downloads: 0 This Week
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