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.

  • Build Agents and Models on One Platform Icon
    Build Agents and Models on One Platform

    Everything you need to build production-ready agents and models. Access 200+ Google and third-party AI models and tools.

    Gemini Enterprise Agent Platform is Google Cloud's comprehensive platform for developers to build, scale, govern, and optimize agents and models. Choose from Google's most advanced models and third-party models like Anthropic's Claude Model Family.
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  • Build Securely on AWS with Proven Frameworks Icon
    Build Securely on AWS with Proven Frameworks

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

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  • 1
    ODM

    ODM

    Device Manager for ONVIF-based Network video devices.

    ODM is a ONVIF protocol implementation of Network Video Client (NVC) to manage Network Video Transmitters (NVT), Network Video Storage (NVS) and Network Video Analytics (NVA) devices. Implements Discovery, Device, Media, Imaging, Analytics, Events and PTZ services. Write in C# and uses ffmpeg for media decoding.
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    Downloads: 7,163 This Week
    Last Update:
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  • 2
    ServiceStack

    ServiceStack

    Simple, fast, versatile and full-featured services framework

    One framework to power them all. Write your HTTP APIs once and take advantage of end-to-end typed integrations for all popular web, mobile and desktop platforms. ServiceStack's primary goal is to enhance the value of System APIs which serve as the blueprint that most features centered around. By using simple & pure dependency-free DTO models decoupled from any implementation we're free to continue layering on features which now sees ServiceStack APIs as the most versatile in the world where the same high-performance APIs can be consumed from HTTP in any combination of Route, QueryString, FormData or a myriad of data formats, via popular resilient MQ Servers whilst simultaneously supporting legacy integrations like SOAP or adopting new technologies like gRPC without sacrificing any native HTTP integrations. To maximize the value of APIs we're focused beyond the API boundary by making it as simple as possible for API Consumers to call your APIs.
    Downloads: 1 This Week
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  • 3
    Feedling has been migrated over to github - see http://github.com/growse/feedling for more information.
    Downloads: 10 This Week
    Last Update:
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  • 4
    RSS Builder is an easy to use program for creating and publishing news feeds and podcasts. You can use local RSS files, but there is also an option to edit the RSS feeds on your web site without keeping a local copy.
    Downloads: 10 This Week
    Last Update:
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  • Demo Series - Small Business Backup By Veeam Icon
    Demo Series - Small Business Backup By Veeam

    Learn how to protect your Microsoft 365 data, with simple, actionable tips today.

    Watch this on-demand demo series and learn how to protect your Microsoft 365 data with clear, simple, actionable steps that are easy to implement for businesses of all sizes.
    Watch Demo Series
  • 5
    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: 2 This Week
    Last Update:
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  • 6
    A working example and libraries for the Open SOAP interface to ECONZ Wireless's Timecard application, a mobile timesheet software solution that enables employees to log time attendance and task information, remotely via their cell phone
    Downloads: 4 This Week
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  • 7
    Ajax Portal (WebOS and Portal)
    Ajax Portal (WebOS & Enterprise Portal). Ajax Portal is open source cross-platform cross-browser Web 2.0 / Web 3.0 solution which is based on a new architecture of WebOS and Enterprise Portals. Our Enterprise Portal can work as Mashup (WOA approach). The portal provides Portlet/Portal API, Services. It's posible to use the Decoration module of the portal as a part of the standard Web application (Web 2.0 / Web 3.0 application). Open Source allows you to try and evaluate our Web 2.0 / Web 3.0 Enterprise Ajax Portal for free.
    Downloads: 2 This Week
    Last Update:
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  • 8
    A working example and libraries for the Open SOAP interface to ECONZ Wireless's EService application, a mobile job dispatch software solution that enables jobs to be dispatched and for employees to log time, attendance and job information via cell phone
    Downloads: 2 This Week
    Last Update:
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  • 9
    We provide a Hebrew version of Mozilla Firefox, Mozilla Thunderbird, SeaMonkey and Mozilla Application Suite. SeaMonkey/Mozilla Suite are also available for download from here, while the latest Firefox & Thunderbird are available only from mozilla.com.
    Downloads: 2 This Week
    Last Update:
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  • Custom VMs From 1 to 96 vCPUs With 99.95% Uptime Icon
    Custom VMs From 1 to 96 vCPUs With 99.95% Uptime

    General-purpose, compute-optimized, or GPU/TPU-accelerated. Built to your exact specs.

    Live migration and automatic failover keep workloads online through maintenance. One free e2-micro VM every month.
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  • 10
    This launcher aims to provide a fast and easy way for Minecraft players to join servers.
    Downloads: 2 This Week
    Last Update:
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  • 11
    HHS Digital Media API Platform

    HHS Digital Media API Platform

    Syndicate text and multimedia content with this API and storefront.

    Use this suite of Application Programming Interface (API) platforms to share web content across multiple channels. Mobile and tablet applications, widgets, and web pages may use the APIs to deliver and update content. The APIs allow content reuse and reduce development costs and product time-to-market. The APIs are available as .NET or Java instances. For more information, see the ReadMe.txt file in the downloadable zip archive. The Centers for Disease Control and Prevention (CDC) and the Department of Health and Human Services (HHS) Assistant Secretary for Public Affairs office (ASPA) developed these APIs in collaboration with the Food and Drug Administration’s (FDA) Center for Tobacco Products (CTP). The CDC, FDA/CTP, HHS/ASPA, and the National Institute of Health’s National Institute for Allergy and Infectious Diseases (NIH/NIAID) use these platforms. https://syndication.hhs.gov http://tools.cdc.gov http://tools.niaid.nih.gov http://tools.fda.gov
    Downloads: 1 This Week
    Last Update:
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  • 12
    Af-Arch is an Open Source N-tier framework to build distribuited applications. Its license schema allows Open Source and commercial (closed source) applications. This is the foundation to build an new set of applications in a fast and reliable way.
    Downloads: 1 This Week
    Last Update:
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  • 13
    BalloonRSS

    BalloonRSS

    RSS aggregator that displays messages as balloon tooltips.

    This is a simple RSS aggregator that displays incoming messages as balloon tooltip pop-ups in the windows task bar. The news entries themselves are linked to be read with the browser.
    Downloads: 1 This Week
    Last Update:
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  • 14
    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: 1 This Week
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  • 15
    Hybrid HTTP API Tester
    A general purpose API tester GUI. You can specify a URL and send GET or POST requests to it as a client with an interface allowing you to setup a database of API commands and their parameters. Useful for probing 3rd party APIs, or building your own.
    Downloads: 1 This Week
    Last Update:
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  • 16
    The Physical Security Interoperability Alliance (PSIA) was founded to promote the interoperability of IP enabled security devices and systems using freely available protocols and standards such as HTTP, HTTPS, XML, RTP, RTSP, zeroconf, etc.
    Downloads: 1 This Week
    Last Update:
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  • 17

    WinCC Open Architecture C# Framework

    C# Framework for WinCC OA Open Architecture connectivity (XMLRPC)

    Author: Andreas Vogler Homepage: www.rocworks.at Communication .Net client to WinCC Open Architecture. Works fine with MonoTouch and Mono for Android! GPLv3 License is used for the public domain. If you plan to use it in a CLOSED SOURCE project, please get in touch with me - andres.vogler@gmail.com ! Communication can be done directly with XMLRPC or with the included proxy: * .net remoting is used for "commands" from the client to the proxy (dpConnect, dpQueryConnect). * tcp (xml over tcp) for sending unsolicited data/events from the proxy to the client. The proxy also acts as a distributor - if clients have the same dp(Query)Connects, the connects are done once, and the proxy will forward it to the clients. Easy example for a dpQueryConnect with a delegate: client.DpQueryConnectSingle((object s, ArrayList a) => { Console.WriteLine("event!); }, "SELECT '_online.._value', '_online.._stime' FROM '*.**'");
    Downloads: 1 This Week
    Last Update:
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  • 18
    ZK Light is renamed to ZKuery and moved to http://code.google.com/p/zkuery/. ZK Light is a client-only version of ZK; Support Java, C, PHP, Python...
    Downloads: 1 This Week
    Last Update:
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  • 19
    umsn (micro msn) is a lightweight MSN client for who don't have a fast computer or don't want install a big pack microsoft's client or other multi-IM client. The only requirement is framework .NET 2.0
    Downloads: 1 This Week
    Last Update:
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  • 20
    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
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  • 21
    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
    Last Update:
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  • 22
    The AJAX Engine is a portable Ajax framework built upon webservice standards (SOAP, WSDL) on data transfer layer by providing proxies for JavaScript. Supporting: AJAX Actions, queuing, scheduling, AJAX enabled controls. Server side adapters are available
    Downloads: 0 This Week
    Last Update:
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  • 23
    Ajax.NET is an implementation of the AJAX technology used by Google, Orkut, Flickr, ... for the .NET environment. Call server side methods as if they were on the clientside.
    Downloads: 0 This Week
    Last Update:
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  • 24
    Software originally realised by the Grid research project Akogrimo (http:/www.mobilegrids.org) working on integrating network capabilities with Grid Middleware. Selected topics are Context Management, SIP/SOAP integration, Semantic workflows, ...
    Downloads: 0 This Week
    Last Update:
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  • 25
    GTK# RSS aggregator [newsreader]
    Downloads: 0 This Week
    Last Update:
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