Browse free open source Protocols and projects 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.
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  • Gen AI apps are built with MongoDB Atlas Icon
    Gen AI apps are built with MongoDB Atlas

    The database for AI-powered applications.

    MongoDB Atlas is the developer-friendly database used to build, scale, and run gen AI and LLM-powered apps—without needing a separate vector database. Atlas offers built-in vector search, global availability across 115+ regions, and flexible document modeling. Start building AI apps faster, all in one place.
    Start Free
  • 1
    Digital Learning Sciences (DLS) is a mission-centered, not-for-profit organization dedicated to improving learning through the use of digital content and tools.
    Downloads: 2 This Week
    Last Update:
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  • 2
    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: 2 This Week
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  • 3
    MOVED: http://code.google.com/p/rssfilter/ Selects and/or rejects articles from RSS feeds based on keywords you supply. Runs in your taskbar! Originally intended to filter new content from scientific journals such as PRL or the arxiv (cond-mat, etc)
    Downloads: 2 This Week
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  • 4
    Dam.gd Shortened URL Generator
    Free open source URL shortener that uses http://theeasyapi.com to access Google Safe Browsing and geoIP services for free.
    Downloads: 1 This Week
    Last Update:
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  • Simple, Secure Domain Registration Icon
    Simple, Secure Domain Registration

    Get your domain at wholesale price. Cloudflare offers simple, secure registration with no markups, plus free DNS, CDN, and SSL integration.

    Register or renew your domain and pay only what we pay. No markups, hidden fees, or surprise add-ons. Choose from over 400 TLDs (.com, .ai, .dev). Every domain is integrated with Cloudflare's industry-leading DNS, CDN, and free SSL to make your site faster and more secure. Simple, secure, at-cost domain registration.
    Sign up for free
  • 5
    Search though multiple (configurable) information sources at once: results are presented side-by-side. Intended to support all information sources that implement OpenSearch, and more.
    Downloads: 0 This Week
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  • 6
    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
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  • 7
    People Connection Art Portal. To connect Art creators and Art consumers.
    Downloads: 0 This Week
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  • 8
    The BigBlogZoo is a semantic news aggregator. More than 50,000 preloaded categorized feeds can be browsed, crawled, XSLT transformed, reaggregated and aggregated. By crowdsourcing we hope to create the world's largest collection of classified newsfeeds.
    Downloads: 0 This Week
    Last Update:
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  • 9
    A google sitemap.xml and yahoo sitemap.txt php generator/creator/maker/builder for your websites, then you can submit sitemap.xml to google and submit sitemap.txt to yahoo.
    Downloads: 0 This Week
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  • Connect every part of your business to one bank account Icon
    Connect every part of your business to one bank account

    North One is a business banking app that integrates cash flow, payments, and budgeting to turn your North One Account into one Connected Bank Account

    North One is proudly built for small businesses, startups and freelancers across America. Make payments easily, keep tabs on your money and put your finances on autopilot through smart integrations with the tools you’re already using. North One was built to make managing money easy so you can focus on running your business. No more branches. No more lines. No more paperwork. Get complete access to your North One Account from your phone or computer, wherever your business takes you. Create Envelopes for taxes, payroll, rent, and anything else automatically.
    Get started for free.
  • 10
    A fusion of several open-source libraries and a web application to parse and filter RSS feeds, as well as generate RSS feeds based on user defined search terms
    Downloads: 0 This Week
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  • 11
    Glue is a WSMO compliant discovery engine that aims at developing an efficient system for the management of semantically described Web Services and their discovery.
    Downloads: 0 This Week
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  • 12
    Glue 2 is a Semantic Web Service discovery engine fully compatible with the WSMO meta-model and the WSML language that aims at solving polarization problems by using mediators.
    Downloads: 0 This Week
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  • 13
    Iris is an interface for monitoring multiple pages and RSS files for changes. You can affect keywords or regexp to each web-page to receive mail alert. Version 6.6 is a web based application. Since version 7.2 it's a Perl-gtk application
    Downloads: 0 This Week
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  • 14
    JeCARS (Java Extendable Contents And Rights System) is a RESTful webservice which delivers pluggable output formats, e.g. Atom feeds or HTML. Third party applications can be plugged in. A JCR (JSR-170) repository (Jackrabbit) is used for storage.
    Downloads: 0 This Week
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  • 15
    Live-bookmarks Manager is a Perl CGI script that helps you manage your live-bookmarks / RSS feeds through an easy to use web-interface. Currently it can add and delete bookmarks to/from an RSS feed.
    Downloads: 0 This Week
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  • 16
    An open web-service for tagging (aka folksonomy) of web bookmarks (similar to del.icio.us), but with an emphasis on information organization, reuse and collaboration.
    Downloads: 0 This Week
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  • 17
    This is a collection of REST specifications, and implementations of those specs, for very low-level information sharing and workflow operations using REST actions over HTTP. Implementations are in various languages, mainly Java, Python, and Ruby.
    Downloads: 0 This Week
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  • 18
    Ripple is a distributed OpenSource search engine and protocol. This architecture is based in search nodes that can be specialized in some topics, and also with configurable plugins for each file type.
    Downloads: 0 This Week
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  • 19

    SSWAP

    Simple Semantic Web Architecture and Protocol

    SSWAP (Simple Semantic Web Architecture and Protocol; pronounced "swap") is an architecture, protocol, and platform that uses reasoning to semantically integrate disparate data and services on the web. Running live at http://sswap.info.
    Downloads: 0 This Week
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  • 20
    WASOLIC is a Web-based Application to Search Online Library Catalogues. Main technologies are .NET, WCF, Silverlight / Mono, Moonlight.
    Downloads: 0 This Week
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  • 21
    x3blog is multiuser weblog system,based on xml/xsl and ajax of browse,DIV+CSS layout measure up web2.0,written in ASP.NET(C#), many database be supported,Lucene.net 2.1 and optimize chinese analyzer by the fulltext search engine. http://blog.muchool.com
    Downloads: 0 This Week
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  • 22
    CGI Google is a search engine powered by Google TM. It allows results customization and offers many features like Google. Returns total accurate/estimated results found. Time in milliseconds, suggestions, etc.
    Downloads: 0 This Week
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  • 23
    Memomics Forge is a meta-project for software that utilizes the Memomics Semantic Service. Memomics Semantic Service provides semantic data which can be embedded in applications via webservices.
    Downloads: 0 This Week
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  • 24
    This project is designed to optimize search engine results by managing your web server sitemaps. The software combines both command line processes and a web user interface with a highly configurable architecture.
    Downloads: 0 This Week
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  • 25
    spatiumCube
    SpatiumCube is open source technology for the easily development of Spatial Data Infrastructures (SDIs) and services over them. It includes software, stylesheets, ontologies, and other technology elements for the development of SDIs.
    Downloads: 0 This Week
    Last Update:
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