Browse free open source Protocols and projects for Linux below. Use the toggles on the left to filter open source Protocols by OS, license, language, programming language, and project status.

  • The All-in-One Commerce Platform for Businesses - Shopify Icon
    The All-in-One Commerce Platform for Businesses - Shopify

    Shopify offers plans for anyone that wants to sell products online and build an ecommerce store, small to mid-sized businesses as well as enterprise

    Shopify is a leading all-in-one commerce platform that enables businesses to start, build, and grow their online and physical stores. It offers tools to create customized websites, manage inventory, process payments, and sell across multiple channels including online, in-person, wholesale, and global markets. The platform includes integrated marketing tools, analytics, and customer engagement features to help merchants reach and retain customers. Shopify supports thousands of third-party apps and offers developer-friendly APIs for custom solutions. With world-class checkout technology, Shopify powers over 150 million high-intent shoppers worldwide. Its reliable, scalable infrastructure ensures fast performance and seamless operations at any business size.
    Learn More
  • Level Up Your Cyber Defense with External Threat Management Icon
    Level Up Your Cyber Defense with External Threat Management

    See every risk before it hits. From exposed data to dark web chatter. All in one unified view.

    Move beyond alerts. Gain full visibility, context, and control over your external attack surface to stay ahead of every threat.
    Try for Free
  • 1
    Apache Guacamole

    Apache Guacamole

    HTML5 Clientless Remote Desktop

    Apache Guacamole is a clientless remote desktop gateway. It supports standard protocols like VNC, RDP, and SSH. We call it clientless because no plugins or client software are required. Thanks to HTML5, once Guacamole is installed on a server, all you need to access your desktops is a web browser.
    Downloads: 19 This Week
    Last Update:
    See Project
  • 2
    ZK - Simply Ajax and Mobile
    ZK is an open-source Java framework for building modern web and mobile applications. It enables developers to create rich, interactive UIs using only Java — no JavaScript required. With 200+ Ajax-powered components, event-driven architecture, and support for popular technologies like Spring, Java EE, and JSP/JSF, ZK makes it simple to deliver powerful and user-friendly web applications.
    Downloads: 17 This Week
    Last Update:
    See Project
  • 3
    Zuul

    Zuul

    Gateway service providing dynamic routing, monitoring and more

    Zuul is an L7 application gateway that offers many capabilities, including dynamic routing, monitoring, security, resiliency and more. It is used in the backend of the Netflix streaming service as a front door for all requests from devices and web sites. Zuul is ideal for cases like this where API traffic volume and diversity can become overwhelming and cause production issues to arise suddenly and without warning. Zuul has a broad range of filters that enable it to perform multiple functions quickly and apply functionality to services like Netflix. These functions include security authentication, dynamic routing, stress testing, load shedding and more.
    Downloads: 2 This Week
    Last Update:
    See Project
  • 4
    Serf

    Serf

    Service orchestration and management tool

    Serf is a decentralized solution for service discovery and orchestration that is lightweight, highly available, and fault tolerant. Serf runs on Linux, Mac OS X, and Windows. An efficient and lightweight gossip protocol is used to communicate with other nodes. Serf can detect node failures and notify the rest of the cluster. An event system is built on top of Serf, letting you use Serf's gossip protocol to propagate events such as deploys, configuration changes, etc. Serf is completely masterless with no single point of failure. Serf is first and foremost a library with a command-line interface, serf. The Serf library is independent of the command line agent, serf. The serf binary is located under cmd/serf and can be installed stand alone by issuing the command go get -u github.com/hashicorp/serf/cmd/serf.
    Downloads: 1 This Week
    Last Update:
    See Project
  • Gen AI apps are built with MongoDB Atlas Icon
    Gen AI apps are built with MongoDB Atlas

    Build gen AI apps with an all-in-one modern database: MongoDB Atlas

    MongoDB Atlas provides built-in vector search and a flexible document model so developers can build, scale, and run gen AI apps without stitching together multiple databases. From LLM integration to semantic search, Atlas simplifies your AI architecture—and it’s free to get started.
    Start Free
  • 5
    Aria2Web
    Aria2Web is a PHP- and Javascript-based application that allows you to control the excellent and lightweight "aria2" over the web. That way you can use it as a download manager.
    Downloads: 2 This Week
    Last Update:
    See Project
  • 6
    A C/C++ based client and server implementation of the OGSA Basic Execution Service, used to provide a Web Services interface to distributed resource managers such as Platform LSF and PBS/PBS Pro. The SOAP stack is provided by the gSOAP toolkit.
    Downloads: 2 This Week
    Last Update:
    See Project
  • 7
    FreeRDP is a free remote desktop protocol client that implements RDP following the documentation provided under the Microsoft Open Specification Promise.
    Downloads: 1 This Week
    Last Update:
    See Project
  • 8
    PepperSpot is a captive portal or wireless LAN access point controller which support the IPv6 protocol. It supports web based login and it supports Wireless Protected Access (WPA). Authentication is handled by your favorite radius server (over IPv4/IPv6)
    Downloads: 3 This Week
    Last Update:
    See Project
  • 9
    As the name implies (Javascript RRD), javascriptRRD is a javascript library for reading Round Robin Database (RRD) archives (produced by rrdtool) using AJAX-like techniques. The library also provides graphing classes leveraging the Flot library.
    Downloads: 1 This Week
    Last Update:
    See Project
  • Keep company data safe with Chrome Enterprise Icon
    Keep company data safe with Chrome Enterprise

    Protect your business with AI policies and data loss prevention in the browser

    Make AI work your way with Chrome Enterprise. Block unapproved sites and set custom data controls that align with your company's policies.
    Download Chrome
  • 10
    This project provides a fast distributed system for image processing, written in Python. It aim is to be used as service to PHP, Perl and Python application servers.
    Downloads: 1 This Week
    Last Update:
    See Project
  • 11
    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:
    See Project
  • 12

    WendzelNNTPd

    A free Usenet server with SQL backend and RBAC.

    The WendzelNNTPd is a IPv6-ready NNTP usenet-server with the main goal to be as easy to use as possible. It is portable (Linux/*BSD/*nix), supports AUTHINFO authentication, contains ACL as well as role based ACL and supports invisible newsgroups. It currently supports MySQL and SQLite backends.
    Downloads: 1 This Week
    Last Update:
    See Project
  • 13
    Tpl makes it easy to serialize your C data using just a handful of API functions. The data is stored in its native binary form for maximum efficiency. C, Perl and XML supported. Data is portable across CPU types and OS's from Unix to Mac to Windows.
    Downloads: 1 This Week
    Last Update:
    See Project
  • 14
    A PHP Client Library for beanstalkd. BeanStalk allows PHP developers to make use of the beanstalkd in-memory workqueue server (http://xph.us/software/beanstalkd).
    Downloads: 0 This Week
    Last Update:
    See Project
  • 15
    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: 0 This Week
    Last Update:
    See Project
  • 16
    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: 0 This Week
    Last Update:
    See Project
  • 17
    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:
    See Project
  • 18
    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:
    See Project
  • 19
    Artica Statistics Appliance for Squid

    Artica Statistics Appliance for Squid

    Global Management console for manage multiple Squid proxys

    Artica Statistics Appliance for Squid is a set of modules that allows you to enable Webfiltering, statistics and manage several Squid proxy from an unique Web management console. With this project you will be able to install TinyProxy act has the client and the Web statistics Appliance act has the central server
    Downloads: 0 This Week
    Last Update:
    See Project
  • 20
    Bionanny is a tool for Web Services providers. It allows to monitor other Web Services. It can intercept requests incoming from clients, pass it to the destination Web Service and log number of requests and elapsed time spend by services.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 21
    Final University project that will deliver a RESTful purchasing Web Service on a vLAMP architecture. Charlotte was the original web service that saved the bacon of the iconic pig: Wilbur.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 22
    The Citizen Privacy Service is an asynchronous component using artificial intelligence capabilities including DL decidability and first order logic provenance that provide policy decision and policy enforcement points based on the US Privacy Act of 1974.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 23
    Cloud Export is a tool to automatically extract your data from web applications and save it to your local file system for backup purposes, but more extensive than Google Takeout. Plans are based on http://www.dataliberation.org.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 24
    CyBerFuN xBTiT
    CyBerFuN xBTiT by cybernet2u / I only install hacks and maintain them / all the credits for the core source goes to : http://www.btiteam.org new files here ->https://github.com/cybyd/cybyd
    Downloads: 0 This Week
    Last Update:
    See Project
  • 25
    A software to store, (PUT) meteorological data from complex free form text format to databases and and GET stored (and already loaded) data from databases using OPeNDAP protocol. Written using Java6, XSD, and C++. It support OPeNDAP clients thanks to
    Downloads: 0 This Week
    Last Update:
    See Project
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