Browse free open source C# Protocols and projects below. Use the toggles on the left to filter open source C# Protocols 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.
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  • 1
    SMPP protocol library for fast and easy SMSC(Short Message Service Centre) client development even for non-telecom guys. Easy to use classes covers all needed functionality for SMS applications developers and Content Providers. Written for .NET 2.0 in C#
    Downloads: 1 This Week
    Last Update:
    See Project
  • 2
    AceJudge is a system for managing programming contests. AceJudge's basic features include automatic judging of submitted programs, answering to clarification questions about problem descriptions, reevaluation of programs, real time ranking etc.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 3
    Aggregated4 is an open-source, news aggregator. It is planned to [initially] support RSS (versions 0.9 to 2.0, and further if applicable), Atom (0.3 to 1.0, and further if applicable), and in subsequent releases podcast catching, Torrent downloads, etc.
    Downloads: 0 This Week
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    See Project
  • 4
    Maintain all anaksibolga project components
    Downloads: 0 This Week
    Last Update:
    See Project
  • Build apps or websites quickly on a fully managed platform Icon
    Build apps or websites quickly on a fully managed platform

    Get two million requests free per month.

    Run frontend and backend services, batch jobs, host LLMs, and queue processing workloads without the need to manage infrastructure.
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  • 5
    People Connection Art Portal. To connect Art creators and Art consumers.
    Downloads: 0 This Week
    Last Update:
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  • 6
    CUAHSI WaterObjectFlow provide JSON web service for hydrology observation data,sponsored by National Science Foundation of United States,developed by Joe hu, MapWindow software lab,Idaho State University
    Downloads: 0 This Week
    Last Update:
    See Project
  • 7
    CUAHSI water1flow web service 1.0 api provide programming interface for water1flow web services. Api will expose to .net, java, php, javascript etc programming language. Developed by Joe hu at MapWindow software lab,Idaho State University
    Downloads: 0 This Week
    Last Update:
    See Project
  • 8
    A high performance cross programming languages communication framework similar to Java RMI. Unlike RMI, CABLE allows server push and was tested to run up to 3x faster than RMI depending the number of threads and CPU power. Currently in Java and C#.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 9
    Enterprise Service Bus framework tailored to the .NET platform. Excellent .NET application server as well.
    Downloads: 0 This Week
    Last Update:
    See Project
  • MongoDB Atlas | Run databases anywhere Icon
    MongoDB Atlas | Run databases anywhere

    Ensure the availability of your data with coverage across AWS, Azure, and GCP on MongoDB Atlas—the multi-cloud database for every enterprise.

    MongoDB Atlas allows you to build and run modern applications across 125+ cloud regions, spanning AWS, Azure, and Google Cloud. Its multi-cloud clusters enable seamless data distribution and automated failover between cloud providers, ensuring high availability and flexibility without added complexity.
    Learn More
  • 10
    Easy Feed Editor
    ACTIVE DEVELOPMENT ENDED IN 2011. Use Easy Feed Editor to create your own feed. Easy Feed Editor supports both RSS and ATOM.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 11
    MM7 protocol library for fast and easy MMSC(Multimedia Messaging Service) client development even for non-telecom guys. Easy to use classes covers all needed functionality for MMS applications developers and Content Providers. Written for .NET 2.0 in C#.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 12
    A Google Visualization Data Source using the .NET framework. Generation of JSON structured data from .NET data sources defined using the Provider pattern. Plugin and query from any data source supporting the System.Data.DataSet
    Downloads: 0 This Week
    Last Update:
    See Project
  • 13

    JuliaClient

    A web-browser based viewer for opensim/OpenSimulator

    JuliaClient is a web-browser based client for Open Simulator. The project consists of two parts, a full serverside REST implementation granting access to the functionality of both grid and simulator servers and a WebGL based client, requiring no pre-installed components.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 14
    A C# .NET Implementation of the Machinery Information Management Open Systems Alliance (MIMOSA) Enterprise Application Integration (EAI) Tech-CDE Web Service specification. This project should be used with the MIMOSA WS API project. (mimosaeaiwebser)
    Downloads: 0 This Week
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    See Project
  • 15
    Darmowa aplikacja do zarządzania sprzedażą na allegro. WebAPI. Freeware. Open source. Automatyzacja allegro.pl, projekt również obejmuje skrypty PHP przydatne m.in. do masowego wystawiania aukcji. Projekt rozwijany przez www.mojito.waw.pl
    Downloads: 0 This Week
    Last Update:
    See Project
  • 16
    MonoOSC is a project composed of two parts. A CSharp, C#, library used to access the openSUSE Build Service, OBS. The second part is a nice GUI which uses this library. MonoOSC requires the Mono >= 2.1 version of the distribution.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 17
    "Plug-in" for MythTV that allows streaming video from popular websites such as Hulu available for viewing through the standard MythVideo interface. For detailed setup instructions, please visit: http://lynx44.wordpress.com/hulu-plug-in-for-mythtv/
    Downloads: 0 This Week
    Last Update:
    See Project
  • 18
    Notify.me public APIs and code
    Downloads: 0 This Week
    Last Update:
    See Project
  • 19
    Framework for supporting reliable, secure E-Business using open standards. Including components for web service calls, non-repudiation, UDDI-registries and a standardized subset of the UBL 2.0 business document profile. Supported for .Net and java.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 20
    The PicturePathLite is a simple-to-use wrapper for the PicturePath AUI (Automated Upload Interface) implemented as C# 2.0 light-weight library.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 21

    RSS Reader

    A small RSS client

    A small and lightweight RSS client that uses .NET 3.5 Client Profile frame work. It allows you to subscribe for feeds and read them. RSSReader was written in C# and is open-source and free project. You can download it binary and start to use or you can checkout source code from SVN repository and help to develop project. Any registered user can post new bug or feature request ticket. Any help would be appreciated. Thank you.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 22

    SOAP dotNET Graph

    SOAP service to access .net Charting software

    A SOAP service written in .NET to allow any programmer using any programming language to access the .NET charting software. It will also contain clients written in multiple language to access this service.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 23
    This is a web application written in C# to provide universal transcoding, transformation and enhancement solution for image, rich medias and documents. It exposes all the services via web.
    Downloads: 0 This Week
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    See Project
  • 24
    Have you been looking for a reliable library of lsl scripts only to find sporadic low quality scripts. This project is a repository of development tools, sl oriented web services, gui interfaces, libraries, and scripts. SL & LSL © Linden Lab
    Downloads: 0 This Week
    Last Update:
    See Project
  • 25
    UniNFe
    NF-e, CT-e, NFS-e, MDF-e e NFC-e Monitora uma pasta procurando pelos arquivos XML - Assina digitalmente os arquivos XML - Transmitir / Receber arquivos XML usando o Webservice da SEFAZ.
    Downloads: 0 This Week
    Last Update:
    See Project
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