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.

  • Premier Construction Software Icon
    Premier Construction Software

    Premier is a global leader in financial construction ERP software.

    Rated #1 Construction Accounting Software by Forbes Advisor in 2022 & 2023. Our modern SAAS solution is designed to meet the needs of General Contractors, Developers/Owners, Homebuilders & Specialty Contractors.
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  • Outbound sales software Icon
    Outbound sales software

    Unified cloud-based platform for dialing, emailing, appointment scheduling, lead management and much more.

    Adversus is an outbound dialing solution that helps you streamline your call strategies, automate manual processes, and provide valuable insights to improve your outbound workflows and efficiency.
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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: 7,407 This Week
    Last Update:
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  • 2
    Phusion Passenger

    Phusion Passenger

    A fast and robust web server and application server for Ruby

    Passenger® is an app server that runs and automanages your web apps with ease. Also improves security, reliability and scalability. Passenger 6 introduces standardization across your stack by supporting all languages. From business-critical apps with billions of requests per day to small side projects, Passenger is tailored for each scenario. Passenger has a myriad of features that are invaluable to today’s web apps and microservice APIs. You get these benefits (and more) by simply installing Passenger with Nginx or Apache. Passenger was built with high performance and efficiency in mind. With Passenger’s zero-copy architecture, turbocaching and support for multiple concurrency models, you can count on Passenger to get the most out of your hardware. Passenger auto-manages your apps’ processes, restarting them and themselves if they ever crash. Passenger also keeps resource-hogging apps in check, giving your web app maximum uptime.
    Downloads: 15 This Week
    Last Update:
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  • 3
    IIPImage

    IIPImage

    IIPImage is an advanced high-performance image server and client

    IIPImage is a high performance image server and client for viewing, navigating and zooming within high resolution images on the internet. Images in TIFF or JPEG2000 format are efficiently streamed by the server to a choice of clients that can be embedded within a web page.
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    Downloads: 20 This Week
    Last Update:
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  • 4

    NZBGet

    Efficient Usenet Downloader

    NZBGet is a usenet downloader, written in C++ and designed with performance in mind to achieve maximum download speed by using very little system resources. It supports all platforms including Windows, Mac, Linux and works on all devices including PC, NAS, WLAN routers and media players.
    Downloads: 9 This Week
    Last Update:
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  • Rezku Point of Sale Icon
    Rezku Point of Sale

    Designed for Real-World Restaurant Operations

    Rezku is an all-inclusive ordering platform and management solution for all types of restaurant and bar concepts. You can now get a fully custom branded downloadable smartphone ordering app for your restaurant exclusively from Rezku.
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  • 5
    Jitterbit is an open source integration tool that delivers a quick and simple way to design, configure, test, and deploy integration solutions. It supports many document types and protocols: XML, web services, database, LDAP, text, FTP, HTTP(S), file
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    Downloads: 9 This Week
    Last Update:
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  • 6
    Orthanc

    Orthanc

    Lightweight, RESTful DICOM server for healthcare and medical research

    [2015-06-12] Orthanc has left SourceForge. All the downloads are now available directly from our official Website: http://www.orthanc-server.com/browse.php
    Downloads: 7 This Week
    Last Update:
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  • 7
    POPsearch is a desktop search engine that's designed to help you find information on your computer. This information can then be accessed remotely with RSS feeds, email feeds, or from any computer that has a web browser.
    Downloads: 4 This Week
    Last Update:
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  • 8
    Small footprint C++ library to extract an XPath 1.0 expression from an XML tree. Uses the TinyXML project to parse XML trees and store intermediate results. Runs on any platform. Optional use of STL. Overhead less than 100KB, including TinyXML.
    Downloads: 4 This Week
    Last Update:
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  • 9
    Library, initially written for the ScreenKast program. Provides the necessary logic to capture screen recordings and to process them. Includes a soap-client for the webservice at captorials.com that enables you to share your recordings.
    Downloads: 2 This Week
    Last Update:
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  • Turn traffic into pipeline and prospects into customers Icon
    Turn traffic into pipeline and prospects into customers

    For account executives and sales engineers looking for a solution to manage their insights and sales data

    Docket is an AI-powered sales enablement platform designed to unify go-to-market (GTM) data through its proprietary Sales Knowledge Lake™ and activate it with intelligent AI agents. The platform helps marketing teams increase pipeline generation by 15% by engaging website visitors in human-like conversations and qualifying leads. For sales teams, Docket improves seller efficiency by 33% by providing instant product knowledge, retrieving collateral, and creating personalized documents. Built for GTM teams, Docket integrates with over 100 tools across the revenue tech stack and offers enterprise-grade security with SOC 2 Type II, GDPR, and ISO 27001 compliance. Customers report improved win rates, shorter sales cycles, and dramatically reduced response times. Docket’s scalable, accurate, and fast AI agents deliver reliable answers with confidence scores, empowering teams to close deals faster.
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  • 10
    The goal of this project is to produce a light weight C++ SOAP client library. Longer term support for WSDL.
    Downloads: 3 This Week
    Last Update:
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  • 11
    MultiXTpm Application Server is FREE SOFTWARE, It is a Message Oriented Middleware (MOM) and Transaction Processing (TP) Monitor. It provides the runtime environment and rich API for developing large, scalable distributed applications for OLTP.
    Downloads: 2 This Week
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  • 12
    C++ production ready implementation of Scott Seely's Simple SOAP RPC code. OS neutral, HTTP transport, XML validation, envelope parsing, RPC dispatching, extendable data types, fault generation and a extendable test suite useful for release validation. Now builds on newer versions of Linux.
    Downloads: 2 This Week
    Last Update:
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  • 13

    Simple WebSocket Server C++

    An easy way to make WebSocket endpoints in C++.

    Please go to https://github.com/eidheim/Simple-WebSocket-Server, as this sourceforge page will no longer be updated.
    Downloads: 2 This Week
    Last Update:
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  • 14
    Downloads: 2 This Week
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  • 15
    An interface to collect RSS information from the Victorian CFA incident summary page, then based on the current user defined search criteria alert the user to current threats, while also providing more detailed information about the potential threat.
    Downloads: 1 This Week
    Last Update:
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  • 16
    wsdlpull is an efficient and powerful command line utility for dynamic inspection and invocation of WSDL web services.It provides a C++ library with dynamic WSDL invocation API,WSDL parser,Schema parser and Validator and an xmlpull Parser/Serializer.
    Downloads: 1 This Week
    Last Update:
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  • 17
    Feed Launch .NET

    Feed Launch .NET

    Feed Launch .NET is a feed editor for RSS 2.0 and ATOM 1.0 feeds.

    Feed Launch .NET is an open-source feed editor for RSS 2.0 and ATOM 1.0 Feeds. Full graphical interface allows for seamless feed management and feed creation, including uploading feeds via FTP. Feeds are automatically saved in XML format. Project released under GPL.
    Downloads: 1 This Week
    Last Update:
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  • 18
    STDNOJ - Faster tool creation in C++

    STDNOJ - Faster tool creation in C++

    Over 600 classes for Web, RFC & File Management

    Develop cross-platform tools faster using a C++ Framework proven in commercial software. Classes support logging, sockets, RFC servers (NNTP, SMTP, POP, HTTP), object indexing, ini, tagged databases, file systems, and more. The STDNOJ Namespace, by R.A. Nagy
    Downloads: 1 This Week
    Last Update:
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  • 19

    Simple Web Server C++

    An easy way to make REST resources available from C++ applications.

    Please go to https://github.com/eidheim/Simple-Web-Server, as this sourceforge page will no longer be updated.
    Downloads: 1 This Week
    Last Update:
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  • 20
    WebLOAD
    This project is intended for ISVs, SIs and software developers who need to integrate load generation engine into their applications. For enterprise load and performance testing initiatives, RadView offers WebLOAD Professional, a complete solution for creating, executing and analyzing the performance of web applications under load.
    Downloads: 1 This Week
    Last Update:
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  • 21
    ARADO - URL Database & RSS Feed Reader
    ARADO RSS Feed Reader is a URL Database for Websearch and RSS Feed Reading, which saves your added Bookmarks & RSS-Feeds and syncs newest URLs with your connected devices. Store and Search your all your URLs in ARADO. As framework c++ / Qt is used.
    Downloads: 0 This Week
    Last Update:
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  • 22
    AlchemySOAP is a C++ SOAP 1.1/1.2 protocol stack, licensed under the LGPL. It is fast, standards compliant, includes many automated unit/interop tests and other notable features (optional SSL and DOM support, etc.). AlchemySOAP is a fork of the EasySoap+
    Downloads: 0 This Week
    Last Update:
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  • 23
    libaws is a C++ library that allows to communicate with Amazon Web Services. Currently supported are Amazon S3, SQS, and SDB.
    Downloads: 0 This Week
    Last Update:
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  • 24
    Apache Thrift

    Apache Thrift

    Language-independent stack for point-to-point RPC implementation

    Apache Thrift is a software framework for scalable cross-language services development. Apache Thrift allows you to define data types and service interfaces in a simple definition file. Taking that file as input, the compiler generates code to be used to easily build RPC clients and servers that communicate seamlessly across programming languages. Thrift is a lightweight, language-independent software stack for point-to-point RPC implementation. Thrift provides clean abstractions and implementations for data transport, data serialization, and application level processing. Thrift is specifically designed to support non-atomic version changes across client and server code. This allows you to upgrade your server while still being able to service older clients; or have newer clients issue requests to older servers. For more details on Thrift's design and implementation, see the Thrift whitepaper included in this distribution, or at the README.md file.
    Downloads: 0 This Week
    Last Update:
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  • 25
    Apache brpc

    Apache brpc

    Industrial-grade RPC framework used throughout Baidu

    Apache brpc is an industrial-grade RPC framework for building reliable and high-performance services. Apache brpc (incubating) is an effort undergoing Incubation at The Apache Software Foundation (ASF), sponsored by the Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it does indicate that the project has yet to be fully endorsed by the ASF. brpc is an industrial-grade RPC framework for building reliable and high-performance services. Build HA distributed services using an industrial-grade implementation of RAFT consensus algorithm which is opensourced at braft.
    Downloads: 0 This Week
    Last Update:
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